nonvolatile

[non-vol-uh-tl, -til or, esp. British, -tahyl] /nɒnˈvɒl ə tl, -tɪl or, esp. British, -ˌtaɪl/
adjective
1.
not volatile.
2.
(of computer memory) having the property of retaining data when electrical power fails or is turned off.
Origin
non- + volatile
Word Origin and History for non-volatile
adj.

also nonvolatile, 1837, from non- + volatile.

non-volatile in Technology


non-volatile storage