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nonvolatile

UK[ˌnɒnˈvɒlətaɪl]US[ˌnɑːnˈvɑːlətl]
adj

(of a computer memory) retaining stored data even when the power supply is cut off.

adj

(chemistry, of a substance) not easily evaporated at normal temperatures.

Morpheme Breakdown

non
volatile
non

not

volatile

evaporating/changeable

Etymology

The word is a modern scientific compound formed within English. The prefix "non," from Latin, is a straightforward negator. The base "volatile" has a more vivid history, originating from the Latin verb volare, meaning "to fly." This literal sense of flying or taking wing evolved metaphorically to describe substances that easily vaporize or "fly away" into the air. In computing, this metaphor was extended further to describe memory that does not "fly away" or disappear when power is lost, contrasting with volatile RAM. Thus, "nonvolatile" logically builds from "not" + "tending to fly away/change" to describe stable, persistent states in both chemistry and technology.

Analysis

Structure: non (not) + volatile (evaporating/changeable) - non: A prefix of Latin origin, meaning "not." It functions as a negative or privative prefix. - volatile: From Latin volatilis ("flying, fleeting"), from volare ("to fly"). In this compound, it functions as the base adjective describing a tendency to evaporate or change.

Examples

Solid-state drives use nonvolatile memory to store your files permanently.

The chemist preferred a nonvolatile solvent for the long-term experiment.

A key advantage of flash memory is that it is nonvolatile.

nonvolatile – Meaning, Etymology & Word Origin | OpenEtymology