The Collaborative International Dictionary
nonvolatile
nonvolatile \nonvolatile\ adj. not readily evaporated. Opposite of volatile.
Wiktionary
nonvolatile
a. Not volatile (in any sense).
WordNet
nonvolatile
adj. not volatilizing readily; "a nonvolatile acid" [syn: nonvolatilizable, nonvolatilisable] [ant: volatile]
Usage examples of "nonvolatile".
The street entered a plaza, where a fountain threw jets of nonvolatile liquids, stained different colors, high into the air.
Then for nonvolatile organic compounds that would be unusual in her system -- also negative.
Counting taxes, that would be eight bucks and change for a complete digital recording playback device that contained enough nonvolatile memory to record ten seconds of audio at a capture rate of, he guessed, around 11 kilohertz.