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English

reversibility

|re-vers-i-bi-li-ty|

C1

🇺🇸

/rɪˌvɜrsəˈbɪlɪti/

🇬🇧

/rɪˌvɜːsəˈbɪlɪti/

can be turned back

Etymology
Etymology Information

'reversibility' originates from Latin, specifically the word 'revertere', where 're-' meant 'back' and 'vertere' meant 'to turn'.

Historical Evolution

'reversibility' changed from Late Latin 'reversibilis' and Medieval/Modern French 'reversibilité' and eventually became the modern English word 'reversibility' via borrowings in scientific and legal usage.

Meaning Changes

Initially, it meant 'the ability to be turned back' in a literal sense, but over time it evolved to include technical senses such as 'the property of a process being reversible' in thermodynamics and 'invertibility' in mathematics.

Meanings by Part of Speech

Noun 1

the quality or state of being reversible; able to be reversed or undone.

The reversibility of the decision meant the committee could change course if new evidence emerged.

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Noun 2

in thermodynamics and physical chemistry, the property of a process that can be reversed without net change to the system and surroundings (ideally no net entropy production).

Ideal engines are often analyzed assuming the reversibility of the processes involved.

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Noun 3

in mathematics and computing, the property of a function, operation, or transformation of having an inverse (being invertible).

The reversibility of the mapping guarantees that each output corresponds to a unique input.

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Last updated: 2025/08/28 21:49