the.com/volatile
Anything one bad moment away from changing states, prices, or rooms.
means Describes something liable to rapid, unpredictable change — a mood, a market, or a chemical eager to become vapor.
from From Latin volare, to fly — first describing substances that readily flew off as vapor, later anything prone to taking off without warning.
Chemistry firstOriginally meant evaporating easily, like perfume or alcohol.
Birds includedOld usage covered actual flying creatures, hence volary aviaries.
Market stapleWall Street borrowed it for prices that wont sit still.