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.
what does it mean to explode a search term? The Explode function searches for an index term (subject heading) and automatically ORs it with all of its narrower terms. In other words, when you activate the Explode function, you are searching for the subject heading you originally selected, PLUS all of the subject headings in its family hierarchy. During Mapping, an Explode checkbox appears to the right of each MeSH term. Click the checkbox to explode the term.