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nonvolatile

American

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

adjective

not volatile.
(of computer memory) having the property of retaining data when electrical power fails or is turned off.

Etymology

Origin of nonvolatile

non- + volatile

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

This is the case for many solutions comprising liquid solvents and nonvolatile solutes.

From Textbooks • Feb. 14, 2019

Such water is practically pure, since the impurities are nonvolatile and remain in the flask A. Commercial distillation.

From An Elementary Study of Chemistry by McPherson, William

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023