In chemistry, the word volatile refers to a substance that vaporizes readily. Learn examples of volatile substances, as well as the reactive cause. In chemistry, the word volatile refers to a substance that vaporizes readily.
Explosion is the act of deliberately causing a bomb or similar device to explode. Bomb disposal experts blew up the bag in a controlled explosion. France has carried out an underground nuclear explosion on Mururoa Atoll in the South Pacific.
ignition. 1  a setting on fire or catching on fire. 2  the means by which a thing is ignited. 3  in an internal-combustion engine, the igniting of the explosive mixture in the cylinder. 4  Chem. the heating of a compound or mixture to the point of complete combustion, complete chemical change, or complete removal of volatile material.