Why does inflammable mean flammable. Oxygen is not flammable, as it does not burn, it supports burning. Why does inflammable mean flammable

 
Oxygen is not flammable, as it does not burn, it supports burningWhy does inflammable mean flammable  Therefore, since the 1950s, efforts to put forward the use of "flammable" in place of "inflammable" were accepted by linguists, and it is now the accepted standard in American English and

Something that is non-flammable cannot burn or is very difficult to burn. " So signs began using "flammable" meaning "able to flame," so there would be no confusion. Because it is made from fully oxidized silicon, the only way to get the glass to burn would be to raise the temperatures so high that the silicon-oxygen bonds broke down. The higher the number, the more flammable the material. Inflammable. (in)flammable means that it is easy to start the combustion. The rate of evaporation varies greatly from […]Metals are flammable. Flammable and inflammable cause a lot of confusion. Why does flammable and inflammable mean the same thing? How can someone "draw a blank"? Shouldn't there be a shorter word for "monosyllabic"? Why is the word "abbreviate" so long? Why did kamikaze pilots wear helmets? What is another word for "thesaurus"? Visit the previous joke about this topic!Why do flammable & inflammable mean the same thing?. However, OP's isopropyl wipes are soaked with about 70% isopropanol and DI water (the best combination for better sanitation). Therefore, water is unable to catch fire because it’s. It means capable of catching fire, combustible. Last edited: Jul 8, 2018. It means the same as the word flammable. Because sometimes it does mean that! But it can also mean “in” or “into. Something that will NOT. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. On the other hand, inflammable materials are those that catch. The enormous volume and frequency of use of flammable and combustible liquids and gases handled worldwide implies that the risk of industrial accidents is great. 8°C) and can ignite easily, even at low temperatures. But the good thing is that when once dry, it is not flammable. However, inflammable means that a substance is capabble of bursting into flames without the need for any ignition. How do we know when to use which? Fortunately, I have an easy way to remember the difference. Flammable AND inflammable both mean that something can easily catch fire. It is often used alongside combustible which also describes the ability to ignite—but one difference is that flammable materials ignite more easily and vigorously. Combustible liquids have the ability to burn at temperatures that are usually above working temperatures. flammable in British English. Worried about your writing? Submit your. Yes they both mean combustible. Despite being made from alcohol, vinegar is not flammable. The boiling point of a combustible liquid is always over 100 degrees Fahrenheit while a flammable liquid has a boiling point under 100 degrees. Though they may be used as such, flammable and combustible do not mean the same thing. Alcohol is just ethanol and water. HIGHLY FLAMMABLE definition: Flammable chemicals, gases, cloth, or other things catch fire and burn easily . The derived word inflammable was so often misunderstood as non flammable due to the negative prefix 'in' that the Fire Protection Association started encouraging people to use the word 'flammable' instead in the 1920's. flammable; easily inflamed, excited, or angered : irascible… See the full definition. As a matter of fact, flammable and inflammable mean exactly the same — capable of burning. : Usage Note: Historically, flammable and inflammable mean the same thing. Flammable is, however, often preferred for warning labels as there is less likelihood of misunderstanding ( inflammable being sometimes. "Flammable and inflammable both mean capable of burning. I've always wondered why the words flammable and inflammable mean the same thing. Some of the non-flammable nail polishes on the market include SOPHi Nail Polish, piggy paint nail polish for kids, and suncoat nail polish. Oxidizing gas means any gas which may,. Famously, these two seemingly opposite words are actually synonyms. An inflammable substance or material burns very easily: 2. Category 1. It boils at around 40°C (the same as diethyl ether) but is not remotely combustible or flammable. capable of burning The words flammable and inflammable are often misinterpreted as opposites. Cite. Mignon Fogarty is the founder of Quick and Dirty Tips and the author of seven books on language, including the New York Times bestseller " Grammar Girl's. ’ And it’s meant that since at least 1605, according to the Oxford English Dictionary. Both describe things that are capable of burning or easy to ignite, but in all modern varieties of English, flammable is preferred. But there’s only a 5-20% acetic acid in vinegar along with 80-95% of water. Stack Exchange Network. Flammable, Inflammable; Tomato, TomahtoThat’s right, flammable and inflammable mean the same thing: capable of being set on. No, normal glass is not flammable and does not readily catch fire. According to NFPA, a flammable liquid is a liquid with a closed-cup flash point less than 100°F (38°C), whereas a combustible liquid is a liquid with a closed-cup flash point greater than or equal to 100°F (38°C). Inflammable and flammable are terms that mean the same to describe objects or items that can be burned, or ignited. So you can say that rubber is not flammable. So "infamous" in this case is best understood as meaning "having a bad reputation. It is even used to put out fires and to make anti-flame materials. Nonetheless, "inflammable" is often erroneously thought to mean "non-flammable". But those wacky Romans also appended the prefix in-, which can mean “in” or “to cause to be,” onto flammare. Flammable materials have a flashpoint below 100°F (37. The melting point of fiberglass is very high, so do not expect it to start melting on a hot weather day. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. The term “combustible liquid” is unique to NFPA classifications. Flammable: can be made to flame. But, on the other hand, Diesel fuel is graded as a combustible liquid. Metaphorically speaking, inflammable also can mean easily angered or excited. Inflammable is a. So do burnable, ignitable. However, inflammable means that a substance is capabble of. 3M subscribers in the NoStupidQuestions community. Both words mean the same thing, i. #2. Flammable, inflammable, and combustible materials, though related, are not identical. Inflammable. Is helium flammable? The answer is simply, no. Share. More Like This Words that look like opposites, but aren’t Words that look like opposites, but aren’tThe flammability range provides a tool for mitigating the dangers posed by flammable vapors and the various substances that emit them, including many chemicals (such as gasoline) commonly used in occupational settings. In fact, they say that you have much better odds of being struck by lightning than being caught in a. Inflammable. These include 2:Hydrogen gas is highly reacted with flames for several reasons. Historically, the only word was inflammable, dating to at least the 16th. Dry, leathery leaves. Another use of this prefix is to mean ‘cause to be in’ a certain state, similar to the prefix en- in words like ‘enslaved’ or ‘enraged’. . USAGE Flammable and inflammable are interchangeable when used of the properties of materials. Let’s take a look. Yes, candle wax can catch on fire. Why the water is not inflammable as hydrogen and oxygen are highly inflammable? I think you mean flammable, not inflammable. “Why does inflammable mean flammable? Shouldn’t it be the opposite? This is why English sucks, and why I don’t have my favorite towel anymore. inflammable meaning: 1. Inflammable substances are those substances which catch fire very easily and their ignition temperature is very low. However, the latter is more acceptable, and more comfortably used by many, to minimize confusion, whereas the first term is the more appropriate term based on its original Latin form. Dangerous chemical conditions may occur if it combusts. The ‘in’ prefix in inflammable is derived from the Latin prefix ‘en’ meaning to cause a person or thing to be in (as in enslave, encourage). No, the problem with oxygen is, that while not being flammable, it is much more efficient in supporting burning. Ask away! Business, Economics, and Finance1. High oil or resin including gums or terpenes. The first element to consider is a matter of state. 4M subscribers in the NoStupidQuestions community. It might seem like I am just splitting hairs, but that’s not really true. Yes, silk is flammable. To avoid confusion, only use the term flammable. Note that we still say inflammatory speeches not *flammatory speeches, inflammation of the skin not *flammation of the skin, etc. A flammable gas is a gas that burns in the presence of an oxidant when provided with a source of ignition. inflammable mix a highly. ' 'Inflammable' has synonyms like 'combustible' and 'ignitable,' and. In general, Loctite Super Glue can resist heat, but if you increase the temperature, then the bond will get weak. Inflammable substances are the ones that are much harder to burn or catch fire. It is a colorless liquid with a pungent taste and is the by-product of fermentation. Why does inflammable mean flammable? If something is flammable it means it can be set fire to, such as a piece of wood. Here are some definitions and examples to help make the use of these words clearer. why is inflammable and flammable the same word, I mean, come on with that. Inflammable was the original word. Adjective. Examples of nonflammable materials include helium, glass, and steel. flammable now has certain technical uses, particularly as a warning on vehicles carrying combustible materials, because of a belief that some might interpret the intensive prefix in-of inflammable as a negative prefix and thus think the word means. What does flammable mean and inflammable mean? Flammable AND inflammable both mean that something can easily catch fire. flammable: 1 adj easily ignited Synonyms: inflammable combustible capable of igniting and burningThe graphic above shows that flammable liquids have a flashpoint below 100 F (37. 1 (b): Have a flammable range with air of at least 12 percentage points regardless of the lower flammable limit. Learn more. However, flammable is much more frequent than inflammable and carries less risk of the meaning being confused. Flammable is, however, often preferred for warning labels as there is less likelihood of misunderstanding ( inflammable being sometimes. Learn more. Many volatile liquids are not combustible. See examples of INFLAMMABLE used in a sentence. Flammable vs. In Middle English the word "infamous" did in fact mean "not well known. inflammable definition: Inflammable liquids, gases, or materials burn very easily. Some liquids are volatile but NOT flammable. This is perhaps the most perilously misunderstood word in the English language. Okay, let us get this clear once and for all, yes super glue is flammable. 8°C), but below 200°F (93. The first syllable, in, is often confused for the negative prefix in- which is like the latin prefix un- (see: inconspicuous. See examples of INFLAMMABLE used in a sentence. Synonyms for INFLAMMABLE: combustible, explosive, flammable, combustive, ignitable, fiery, ignitible, burnable; Antonyms of INFLAMMABLE: fireproof, incombustible. Both flamable and flammable mean the same thing – capable of catching fire and burning easily. These are the basic differences between flammable and inflammable substances. inflammable. Gasoline is a flammable liquid, and is inflammable. " This older version of "infamous" came from Latin "infamosus" which meant "not well known. 2. But some people are thrown off by the in-and think inflammable means "not combustible". Flammable vs. an example sentence would be: "Be careful with that gasoline, it's flammable/inflammable. Flammable and inflammable mean exactly the same thing: a substance burns easily or readily catches fire. Different fabric types, like cotton and linen, also have a high burning rate, which can be lightened by applying nonflammable chemical additives. Something that is…. It is vital that these cabinets are kept closed. It is important to note that “inflammable” does not mean “not flammable” as one might assume due to the prefix “in-. The erroneous usage of the word "inflammable" is a significant safety hazard. 8°C and 93. flammable; easily inflamed, excited, or angered : irascible… See the full definition. The lower the flashpoint, the higher the risk a liquid poses. Some people think that inflammable means that it can’t be easily lit on fire, but this is a misconception. inflammable: 1 adj easily ignited Synonyms: flammable combustible capable of igniting and burningHowever, this does not mean that all perfumes are flammable. While almost every material on earth will burn if it gets hot enough, many objects, like most types of metal, can't be made hot enough by everyday means of ignition. inflammable. Copy. ”. Her cheeks flamed with embarrassment. usage. Flammable = able to be set on fire. How can inflammable mean the same as flammable?True the prefix in-can mean not, as in inaccurate. What does flammable mean and inflammable mean? Flammable AND inflammable both mean that something can easily catch fire. adjective. inflammable definition: 1. It has somehow acquired the more specific meaning that it is impossible to value because its value is infinitely high. That is because the prefix in inflammable is in1-, meaning "in; into; '' it is not the prefix in2-, meaning "not. It is easy to think of liquids that are both flammable and volatile: ethyl ether, pentane, gasoline, etc. Flammable These three Inflammable words mean the Combustible textile will burn readily. Gasoline is a flammable liquid, and is inflammable. What does flammable mean and inflammable mean? Flammable AND inflammable both mean that something can easily catch fire. Flammable means that it will burn. You get a headache, fever, chills, cough, and tightness in your chest and unlike flu, you also may find that you. (computing, of a variable) having its associated memory immediately. Trick question: both flammable and inflammable are correct, as they both mean “capable of being easily ignited and of burning quickly. Suppose you build a lab that is perfectly isolated from the outside world, meaning that no impurities or gases. Gasoline is a flammable liquid, and is inflammable. Flammable and inflammable are both adjectives that mean easy to set on fire. Flammable gasses can include methane, acetylene, ammonia, hydrogen, propane, and propylene. What does flammable mean and inflammable mean? Flammable AND inflammable both mean that something can easily catch fire. The only difference is that flamable is an outdated spelling of flammable. 2 3. It's the diatomic hydrogen gas that is extremely flammable. 3°C)”. 31. An inflammable substance or material burns very easily: 2. Saw it crop up in a comment - I'm guessing it's to do with its Latin history, but would like further. But magnesium oxide, the byproduct of burning magnesium, can be toxic if inhaled. liable to catch fire; readily combustible; inflammable. However, the presence of the prefix in- has misled many people into assuming that inflammable means "not. The terms flammable and inflammable refer to substances that can quickly ignite and start fires. It does not act as fuel for the fire to burn, it does however act as the oxidizing part of the fire triangle. Gasoline is a flammable liquid, and is inflammable. " The prefix in- in inflammable is not, however, the Latin negative. 07 degrees Fahrenheit or -11. This makes them a fire hazard. Flammable, a. What Does Flammable Liquid Mean? A flammable liquid is any liquid whose automatic ignition point or flash point is below 38 °C or 100 °F. How to use inflammable in a sentence. define: inflammable -gas or liquid able to ignite, explode or have adverse effect on humans or animals. adj inflammable. The ‘in’ prefix in inflammable is derived from the Latin prefix ‘en’ meaning to cause a person or thing to be in (as in enslave, encourage). Also, inflammable has another meaning for which flammable is not a synonym. "Flammable" did not exist. Volatile means how quickly it evaporates. Combustible and incombustible are opposites but flammable and inflammable are synonyms. Davenport Daily Leader, 29 Jan. Pay attention as we discuss which paints are flammable and combustible or whether or not you should use them on your DIY home projects, so tune in!What Does It Mean To Be Flammable? A flammable substance is any one solid, liquid or gas that can ignite and burn when in air, if exposed to a source of ignition like an open flame or spark. Inflammable and flammable are synonyms and mean ” able to burn ” even though they look like opposites. As a matter of fact, flammable and inflammable mean exactly the same — capable of burning. Flammable and combustible liquids are liquids that can burn. The word "inflammable" came from Latin inflammāre = "to set fire to," where the prefix "in-" means "in" as in "indoctrinate", rather than "not" as in "invisible" and "ineligible". What Does Flammable Aerosol Mean? A flammable aerosol is an aerosol that contains a component that is classified as flammable, whether it is liquid, gas or solid. Easily ignited and capable of burning rapidly; flammable. Gasoline is a flammable liquid, and is inflammable. because of the types of particles that. The explosive flammable range of a combustible gas or vapor is the range between the lower exposure limit (LEL) and the upper exposure limit (UEL) for that particular gas or vapor. All Free. The ‘in’ prefix in inflammable is derived from the Latin prefix ‘en’ meaning to cause a person or thing to be in (as in enslave, encourage). While the word may imply a non-flammable substance, it is a common misconception. Fire is a non-solid block that can spread to nearby flammable blocks and destroy them. While oil-based and solvent-based paints provide you with color and texture,. Flashpoint. In reality, flammable and inflammable mean exactly the same thing—capable of burning. Something that will NOT burn is nonflammable. Combustible, a. Inflammable comes from the Latin word inflamma, to inflame. liable to catch fire; readily combustible; inflammable. and is also often referred to as theInflammable definition: . Oxygen does not burn, let’s take a closer. Flammable is the standard term in the 21st century. Of the two words, it was ‘inflammable’ that entered the English language first – early 17th century. If the concentration exceeds the higher value (UEL), the air. I also wouldn't question someones usage of "inflammable" to mean "not flammable" in the right context. In reality, flammable and inflammable mean exactly the same thing—capable of burning. SYNONYMS 2. Inflammable looks like an opposite of flammable but in fact it has the same meaning. )”. If something is flammable it means it can be set fire to, such as a piece of wood. The adjectives flammable and inflammable mean exactly the same thing: easily set on fire and capable of burning quickly. combustible — A combustible material or gas catches fire and burns easily. Flammable liquids have a lower flashpoint than combustible liquids. The common word meaning "combustible" is inflammable. "Water doesn’t burn because it’s already been through the process of combustion. What does flammable mean and inflammable mean? Flammable AND inflammable both mean that something can easily catch fire. In this case, rather than the prefix in- meaning “not,” as it often does, “inflammable” comes from the. A material is thus ‘inflammable’ if it is prone to catching fire! Fire! (Photo: RonaldPlett/Pixabay) ‘Inflammable’ is even the older word here. What does flammable mean and inflammable mean? Flammable AND inflammable both mean that something can easily catch fire. It’s an oxidizing agent, which means that it helps other things burn. Inflammable ( and flammable) means something can easily be ignited- like gasoline. These materials can be a solid, a liquid, or a gas. Why doesn't it mean "to set on fire"? Podcast. in·flam·ma·ble. You should never leave your perfume can near any heat or open flame as it can explode and cause a. The reason is that the in of. ” Using nonflammable is one way to ensure clarity. Cf. Going back to the matter of flammability, yes alcohol is flammable. What Does Flammable Solid Mean? A flammable solid is a solid object that is combustible or that may be a contributor to a fire through friction or brief contact with a source of ignition. Inflammable and flammable are synonyms and mean ” able to burn ” even though they look like opposites. Why doesn't it mean "to set on fire"? Podcast. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. This is much less common or obvious, so much so that inflammable can all too easily be taken to mean “not capable of burning”, when it really means “very easily set on fire”. "She is easily inflamed" does not equal "She is easily flamed" The more I know. A flammable material can be a solid, liquid or gas. Eg:Petrol is highly flammable . This means that it will not ignite a fire under normal ambient pressure and temperature. However, inflammable means that a substance is capabble of. com. Flammable liquids all have a certain flashpoint, which is the temperature at which enough vapor is produced to ignite when exposed to an ignition source. There are two types of water-based paints, which are latex and acrylic paints. Inflammable definition: . Paints are formulated from several different ingredients and some paints require solvents to assist these ingredients to dissolve. Flammable Liquid Definition. 4 - Flash point > 60°C and ≤ 93°C. Oxygen is not flammable, as it does not burn, it supports burning. But the prefix “in-” can also mean “on” or “into. ] in·flam′ma·bil′i·ty n. Alcohol is just ethanol and water. The polishes also don’t contain alcohol, formaldehyde, or toluene. Gasoline is a flammable liquid, and is inflammable. What’s even more interesting is that it’s not the liquid that burns, it’s instead the vapors caused by evaporation that ignite. So they started saying "flammable" which. Flammable and inflammable do not mean the same thing. Combustible, a. Why do people say oxygen is flammable? Oxygen is not flammable, but it does intensify the combustion process and can cause fire to burn hotter and faster. 2. It is easy to think of liquids that are both flammable and volatile: ethyl ether, pentane, gasoline, etc. CryptoInflammable means the same thing. Gasoline is a flammable liquid, and is inflammable. The in- has nothing to with the prefix meaning "not", but it's confused often enough that the letters are dropped in hazard symbols. Many flammable substances have to be at a high concentration in order to actually. There are a couple of reasons why I felt it was important to look at the questions of whether helium is flammable, explosive, or both. However, some synthetic rubbers, when burnt, can release chemicals such as cyanide and carbon monoxide. . Both are characterized by their flash point, which is the lowest temperature at which a liquid gives off. Soot is the most easily burned form of carbon. These flames are often controlled, but the danger arises when the bottle is too close to the stove. It means the same as the word flammable. flammable definition: 1. Crypto92 "flammable" (Word origins - alt. But it can also be used as. , 25- 35 °C. Occupational Safety and Health Administration (OSHA) defines a flammable liquid as any liquid having a flash point at or below 199. A flammable liquid is a liquid which can be easily ignited in air at ambient temperatures, i. ”. Sometimes people will say, “Flammable means it will catch fire and combustible means it will explode when ignited. This doesn’t mean, however, that you can keep Argon around a fire with no risks at all. What do you mean by flammable gas? A flammable gas is a gas that burns in the presence of an oxidant when provided with a source of ignition. “For the record, ‘inflammable’ does mean ‘burnable. Why do flammable and inflammable mean the same? Both words mean the same thing, but one of them is bound to confuse most people. "Invaluable" means "cannot be assigned a value". Something that will NOT burn is nonflammable. In terms of occupational health and safety, flammable liquids and gases are often of greatest concern, because they tend to be the most volatile and storing them in a fire-safe way is more. They are synonyms. The higher proportion of water doesn’t let vinegar catch on fire. 106 gave these definitions for flammable and combustible liquids: A flammable liquid was defined as “Any liquid having a flash point below 100°F (37. At temperatures above -44 degrees Fahrenheit, propane will. The substances that do not catch fire are called non-flammable substances. 1 Answer Sorted by: 6 They are two different terms with different, though related, etymology. Argon isn’t flammable. Note that combustible is not the same as (in)flammable: combustible means that a substance can burn or be burned. To avoid confusion, it is recommended that use of the term inflammable be avoided, since the prefix in-here does not mean "not". to burn with flames. This is the criteria OSHA uses for determining the flammability of liquids. : capable of being easily ignited and of burning quickly flammable noun Synonyms burnable combustible combustive fiery ignitable ignitible inflammable touchy See all Synonyms &. it's like labeling something poisonous non-venomous . 2. In air oxygen is mixed with. Gasoline is a flammable liquid, and is inflammable. But the prefix “in-” can also mean “on” or “into. One of the largest causes for loss in process industries for both equipment and life is fire. The U. If a material won’t burn easily, you could say it is not flammable or non-flammable. Ethanol is produced by fermenting fruits, vegetables, or grains. Of the two terms, the older word for something capable of burning is inflammable, but. Inflammable means the same thing! There isn’t actually any significant difference between the two words. Flammable and inflammable mean the same thing: they both refer to a material that can easily catch fire and burn. In general, the relative hazard of a flammable liquid increase as the flashpoint decreases. What does flammable mean and inflammable mean? Flammable AND inflammable both mean that something can easily catch fire. ” Using nonflammable is one way to ensure clarity. If something is flammable it means it can be set fire to, such as a piece of wood. 1. Flammable gasses can include methane, acetylene, ammonia, hydrogen, propane, and propylene. Gasoline is a flammable liquid, and is inflammable. Learn more. When we look at a word like inflammable, we instinctively feel it must be the. These hydrocarbons are highly volatile and have a low flash point,. Honey is not technically flammable, but it does catch fire easily. Hydrogen is highly flammable and burns at very low temperatures in the presence of a naked flame or spark. What does flammable mean and inflammable mean? Flammable AND inflammable both mean that something can easily catch fire. Most candles are made from paraffin wax and when that wax is vaporized, it is very combustible. : easily excited or angered. A flammable safety cabinet is the best storage option. "I wonder whether they originally meant easily set on fire and not able to be set on fire, but over time they were confused to mean the same thing. Some are commonly found in the outside world, in the home, or even in the classroom. Benzene is a highly flammable liquid that burns very easily at relatively low temperatures. So here, "inflammable" isn't meant to be parsed as in-(flammable) as in "not able to set on fire" but rather (inflamm)-able as in, "able to be inflamed. The only flammable part is the acetic acid. These cabinets must meet the specifications of the National Fire Protection Association codes for flammable storage. Should I Use Flammable or Inflammable? First, “flammable” and “inflammable” are NOT OPPOSITES. While the have the same meanings, flammable is the better word choice because it eliminates the possibility of confusion in the reader’s mind. However, the presence of the prefix in- has misled many people into assuming that inflammable means "not flammable" or "noncombustible. Inflammable is by far the older of the two words. Yes, gasoline can catch fire. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Some powdered metals like magnesium and titanium can catch fire when dampened. While it may surprise you, another example… Which is an example of a non. To make things even more difficult, different oils have different flashpoints. capable of being set on fire; combustible; flammable. Inflammable is preferred in figurative contexts:. The flammability will depend on the ratio of oxygen and hydrogen present in the plastic. Adding on that in the sense of the verb "inflammare," "in-" doesn't mean "not" like it does frequently in other contexts, but instead is just an intensifier. It does not act as fuel for the fire to burn, it does however act as the. Alcohol-Based Sauces. If that’s what you came here for, you can close the tab. What does Unflammable mean?: not flammable : incapable of combustion —not used technically. ”Inflammable and flammable both mean “combustible. More Like This Words that look like opposites, but aren’t Words that look like opposites, but aren’tThe words “flammable” and “inflammable” mean the same thing: “easily set on fire”. See full list on dictionary.