supercritical.
Of a substance or system above a critical threshold or range.
Meaning & usage
Of a substance or system above a critical threshold or range. Above its critical temperature and critical pressure.
Of a substance or system above a critical threshold or range. Having a mass sufficient to sustain an accelerating fission chain reaction.
Of a substance or system above a critical threshold or range. Above the speed of sound.
Where this word comes from
Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Italic *super Latin super Latin super-lbor. English super- Proto-Indo-European *krey- Proto-Indo-European *-n- Proto-Indo-European *-yéti Proto-Indo-European *krinyéti Proto-Hellenic *kríňňō Ancient Greek κρῑ́νω (krī́nō) Ancient Greek κρῐ- (krĭ-) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek κρῐτής (krĭtḗs) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek κριτικός (kritikós)bor. Latin criticus Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English critical English supercritical From super- + critical.
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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.