water   Water is a gas when it is steam. It condenses to liquid, becoming water. It becomes solid when it freezes, and then becomes liquid again as it melts. The entire pro â¦ cess depends on temperature. The molecular structure of water does not change throughout all these changes.
Volatile Definition: Volatile refers to a substance that vaporizes readily. Volatility is a measure of how readily a substance vaporizes. By Anne Marie Helmenstine, Ph.D.
âº chemistry If a âsubstance, esp. a âliquid, is volatile, it will âchange âeasily into a âgas: volatile âchemicals. volatility noun [U] us /ËvÉlÂ·ÉËtÉªlÂ·ÉªÂ·tÌ¬i/ âº Volatility in âwheat on âWednesday resulted in a single-day âtrading ârecord in Kansas City. noun [U] us /ËvÉlÂ·ÉËtÉªlÂ·ÉªÂ·tÌ¬i/.