nox.
The period of darkness in each twenty-four hours; a night.
Meaning & usage
The period of darkness in each twenty-four hours; a night.
Where this word comes from
Etymology tree Proto-Indo-European *nókʷts Proto-Italic *nok⁽ʷ⁾ts Latin noxlbor. English nox Learned borrowing from Latin nox, from Proto-Italic *nok⁽ʷ⁾ts, from Proto-Indo-European *nókʷts.
millilux (unit of illuminance)
Where this word comes from
From Latin nox (“night; darkness”), by analogy with lux from Latin lūx (“light; daylight, day”). Doublet of night.
Alternative form of NOx (nitrogen oxides)
Abbreviation of nitrous oxide (“N₂O”).
Where this word comes from
From N (“nitrogen”) + ox (“oxide”).
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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.