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.

The international pictogram for flammable chemicals DIN4102 flammability class B1 vertical shaft furnace at Technische Universität Braunschweig, Germany Sample holder for DIN4102 …

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

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

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

Usage: Flammable and inflammable are interchangeable when used of the properties of materials. Flammable is, however, often preferred for warning labels as there is less likelihood …

Flammable chemicals, gases, cloth, or other things catch fire and burn easily. ...flammable liquids such as gasoline or kerosene.

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 …

Britannica Dictionary definition of FLAMMABLE [more flammable; most flammable] : capable of being set on fire and of burning quickly a flammable liquid a highly flammable fabric

The word, inflammable, which sounds like the opposite of flammable, actually means the same thing — easily catching on fire. If you want to say that something won't catch fire easily, use …