In general use, flammable is now the preferred term for describing things that can catch fire, but inflammable is still occasionally used with that meaning as well.

FLAMMABLE definition: easily set on fire; combustible; inflammable. See examples of flammable used in a sentence.

FLAMMABLE meaning: 1. Something that is flammable burns easily: 2. Something that is flammable burns easily: 3. able…. Learn more.

Flammable applies to combustible materials that ignite easily and thus are more dangerous and more highly regulated. Less easily ignited less-vigorously burning materials are combustible.

Liable to catch fire; readily combustible; inflammable.... Click for English pronunciations, examples sentences, video.

Definition of flammable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Flammable is a term that describes the ability for a material to ignite. It is often used alongside combustible which also describes the ability to ignite—but one difference is that flammable materials …

Dec 14, 2025 · Back-formation from inflammable, which is used to avoid confusion with non-flammable, as the prefix in- is often used to mean "un-; non-", although it was originally meant in a sense closely …

• The use, storage, and transportation of poisonous, explosive, or flammable substances have long been regulated. • Many packaging materials contain highly flammable substances that could make a fire …

In order for a substance to be flammable, it must be able to undergo this chemical reaction with oxygen. The ability of a substance to do so is determined by its chemical composition and properties, as well …