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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.

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nonvolatile

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

Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased.

From Textbooks ● Feb. 14, 2019

In this way the salt can be separated from nonvolatile impurities.

From An Elementary Study of Chemistry by William McPherson

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