01 a. Passing through the air on wings, or by the buoyant force of the atmosphere; flying; having the power to fly.
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1.
Passing through the air on wings, or by the buoyant force of the atmosphere; flying; having the power to fly.[Obs.]
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2.
Capable of wasting away, or of easily passing into the aeriform state; subject to evaporation.
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3.
Fig.: Light-hearted; easily affected by circumstances; airy; lively; hence, changeable; fickle; as, a volatile temper.“You are as giddy and volatile as ever.” — Swift.
Phrases & compounds
Volatile alkali —
See under Alkali.
Volatile liniment —
a liniment composed of sweet oil and ammonia, so called from the readiness with which the latter evaporates.