nonvolatile

American  

[non-vol-uh-tl, -til, -tahyl] / nɒnˈvɒl ə tl, -tɪl, -ˌtaɪl /

adjective

1. not volatile.

2. (of computer memory) having the property of retaining data when electrical power fails or is turned off.

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Etymology

Origin of nonvolatile

non- + volatile

Example Sentences

The flash memory is nonvolatile, meaning it can be used to store data without power, and is found in devices such as flash drives and smartphones.

From MarketWatch • Jan. 27, 2026

Western Digital and Seagate make long-term storage, or what’s called nonvolatile memory, meaning the data stays when the power is turned off.

From Barron's • Jan. 2, 2026

It could also enable magnetic computer memories that are nonvolatile, which means they don't leak information when powered off, or processors that make complex AI algorithms more energy-efficient.

From Science Daily • Feb. 22, 2024

Success depends on the presence of less nonvolatile and more aromatic and highly branched hydrocarbon chain compounds and the temperature.

From Textbooks • Jun. 9, 2022

It is a nonvolatile white powder, and has a specific gravity of 6.6952; it is insoluble in water and almost so in acids—concentrated hydrochloric acid dissolving a small quantity.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various