huī​fā

volatile

挥发 (揮發) huī​fā
volatile
tending to evaporate readily, often used as an adjective or in compound terms for substances
volatilize verb
to change from a liquid or solid state into vapor, especially at ordinary temperatures

Frequency

Movie subtitles
0.360 per million appears in 0% of films
Written text
2.35 per million

Sources

Definitions
CC-CEDICT