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nonvolatile
In chemistry, this term describes substances with low vapor pressure, meaning they do not easily transition into a gas. It is the direct opposite of volatile, which characterizes substances like alcohol or gasoline that evaporate quickly. This property is critical for stability in chemical reactions and storage.
In computing, the term refers to a specific hardware characteristic where data persists without a power source. This distinguishes nonvolatile memory, such as ROM or flash drives, from volatile memory like RAM, which is wiped clean when the device is powered down.
Meanings
Examples
The system uses nonvolatile memory to store the BIOS settings.
We need a nonvolatile compound for this specific chemical reaction.
Does this device have nonvolatile storage for the user data?
The residue left in the beaker was a nonvolatile oily substance.
I hope the firmware is stored in nonvolatile memory so it does not wipe during the crash.
Nonvolatile liquids are generally safer to handle in open containers.
The engineer explained that flash memory is a type of nonvolatile storage.
This lubricant is nonvolatile and will not evaporate under high heat.