Volatile Definition. In chemistry, the word volatile refers to a substance that vaporizes readily. Volatility is a measure of how readily a substance vaporizes or transitions from a liquid phase to a gas phase. However, the term can also be applied to the phase change from solid state to vapor, which is sublimation.
Wiktionary(5.00 / 1 vote)Rate this definition: explode(Verb) To create an explosion, usually resulting in the destruction of an intended target. The assassin exploded the car by means of a car bomb. explode(Verb) To destroy violently or abruptly.
Noun. 1. eruption-the sudden occurrence of a violent discharge of steam and volcanic material. volcanic eruption. discharge-the sudden giving off of energy. Plinian eruption-a volcanic eruption in which a stream of gas and ash is violently ejected to a height of several miles.