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ENGLISH · A WORD WITH POSSIBILITIES

reentrant.

Designating a structure at an angle pointing inward towards the centre of the fortification; opposed to salient.

9 characters2 syllables approx.English language

Meaning & usage

adj/ɹiːˈɛntɹənt/
  1. Designating a structure at an angle pointing inward towards the centre of the fortification; opposed to salient.

    historical · not-comparable
  2. Pertaining to an angle pointing inwards, or to a line forming part of such an angle.

    not-comparable
  3. Pertaining to a type of angular valley cutting deep into the side of a hill or mountain.

    not-comparable
  4. Pertaining to a type of cardiac arrhythmia in which an impulse re-excites an area that has already been stimulated.

    not-comparable
  5. Designating a way of tuning the strings of certain stringed instruments, such that they follow a pattern of rising and falling intervals, rather than having successively higher pitches.

    not-comparable
  6. That may be executed more than once at a time either by different threads, or because of recursion.

    not-comparable
    Global variables must not be altered by reentrant code.
  7. Designed to return to the Earth's atmosphere.

    not-comparable
  8. Such that the corresponding lock can be reacquired by the locking thread.

    not-comparable
    The global interpreter lock of the embedded scripting engine is not reentrant.
Where this word comes from

Etymology tree Proto-Italic *wre- Latin re-der. Old French re-bor. Middle English re- English re- English entrant English reentrant From re- + entrant.

noun/ɹiːˈɛntɹənt/
  1. An angle or part that reenters itself.

  2. One who enters (the labour market, etc.) again.

  3. A valley between a pair of parallel ridges.

Where this word comes from

Etymology tree Proto-Italic *wre- Latin re-der. Old French re-bor. Middle English re- English re- English entrant English reentrant From re- + entrant.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.