Dictionary
non•vol•a•tile
Pronunciation: (non-vol'u-tl, -til or, esp. Brit., -tīl"), [key]—
adj.
1. not volatile.
2. (of computer memory) having the property of retaining data when electrical power fails or is turned off.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.