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| hydrocyanic acid |
a highly poisonous, flammable solution of hydrogen cyanide in water, used in manufacturing, working with metals, and the like; prussic acid. |
| hydrogen |
a chemical element that contains one proton in each nucleus and that occurs naturally in many compounds such as water, acids, petroleum hydrocarbons, and carbohydrates, and in pure form as a highly flammable, lighter-than-air gas used in many industrial applications, such as the hydrogenation of fats and oils. (symbol: H) (Cf. deuterium, protium, tritium.) |
| inflammable |
capable of catching fire and burning, or easy to set aflame and burn; flammable. [1/2 definitions] |
| isooctane |
a highly flammable hydrocarbon liquid that is used as the standard to establish the octane numbers of fuels. |
| ligroin |
a flammable solvent made by distilling petroleum. |
| methane |
a flammable hydrocarbon gas that results from the decay of organic material as in marshes and coal mines, and is the main constituent of natural gas. |
| Molotov cocktail |
a homemade explosive device consisting of a bottle containing a flammable liquid and a rag wick that is ignited, the bottle then being hurled like a grenade. |
| napalm |
a highly flammable jelly containing aluminum soaps and gasoline, used in flame throwers and fire bombs. [1/2 definitions] |
| naphtha |
a colorless, flammable liquid distilled from coal or petroleum and used mainly as a solvent and cleaning agent. |
| nonflammable |
not flammable. |
| petrol |
(chiefly British) a volatile, flammable liquid of hydrocarbons, derived from petroleum and used primarily as fuel for internal-combustion engines; gasoline. |
| petroleum |
a thick, flammable mineral oil obtained by drilling beneath the earth's surface and processed into various fuels and lubricants, naphtha, paraffin, and other products. |
| propane |
a colorless flammable gas found in petroleum and natural gas and used for fuel and in chemical synthesis. |
| pyridine |
a colorless flammable liquid obtained by distilling coal tar or bone oil and used in synthesizing drugs and vitamins, as a solvent, and to denature alcohol. |
| pyroxylin |
a highly flammable nitrocellulose used in the manufacture of artificial silk, plastics, lacquer, and the like. |
| tinder |
highly flammable material, such as dry twigs, that can be used to kindle a fire. |
| TNT |
a yellow flammable solid that is unaffected by ordinary friction or shock, but is used as an explosive; trinitrotoluene. |
| torch |
a stick or rod with a flammable material fixed or wound on one end, ignited and carried as a portable light. [1/6 definitions] |
| vinyl chloride |
a colorless, flammable gas, used in the making of polyvinyl chloride. |
| xylene |
any of three colorless, flammable benzene compounds, or a mixture of these compounds. |
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