Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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name
The Roman goddess of night.
Definition source: English Wiktionary via Wiktextract
Usage: Roman
Topics: human-sciences, mysticism, mythology, philosophy, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The period of darkness in each twenty-four hours; a night.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
millilux (unit of illuminance)
Definition source: English Wiktionary via Wiktextract
Usage: rare
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Alternative form of NOx (nitrogen oxides)
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, alternative, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Abbreviation of nitrous oxide (“N2O”).
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, uncountable
Synonyms: nos
Antonyms: none provided
Broader terms: NOx, nitrogen oxide, oxide, compound, substance, material
noun
Any of the various nitrogen oxides produced during combustion.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Alternative form of nox (“nitrous oxide”).
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, alternative, uncountable
Qualifier: automotive performance
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Roman goddess of night; daughter of Erebus; counterpart of Greek Nyx
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: Night
Antonyms: none provided
Broader terms: Roman deity
History
Borrowed from Latin Nox.
Etymology tree Proto-Indo-European *nókwts Proto-Italic *nokts Latin noxlbor. English nox Learned borrowing from Latin nox, from Proto-Italic *nokts, from Proto-Indo-European *nókwts.
From Latin nox (“night; darkness”), by analogy with lux from Latin lūx (“light; daylight, day”). Doublet of night.
From N (“nitrogen”) + ox (“oxide”).
From N (“nitrogen”) + O (“oxygen”) + x (“x substitution value”).
From N (“nitrous”) + Ox (“oxygen”).
Across languages
3 source translations are retained for this English entry.
