Phrase guide

nitric oxide

noun · 2 senses · updated from the 2026-07-25 local source snapshot

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.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

the binary compound of nitrogen and oxygen NO; an unstable compound which rapidly oxidizes in the presence of air.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: NOx, nitrogen oxide, oxide, compound, substance, material

2

noun

Meaning 2

a poisonous red-brown gas (NO)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: gas

History

Etymology

No etymology was provided for this word.

Across languages

Translations

10 source translations are retained for this English entry.

  • Chinese Mandarin: 一氧化氮 (yīyǎnghuàdàn) — binary compound of nitrogen and oxygen
  • Finnish: typpioksidi — binary compound of nitrogen and oxygen
  • French: monoxyde d’azote — binary compound of nitrogen and oxygen
  • German: Stickoxid — binary compound of nitrogen and oxygen
  • Italian: ossido di azoto — binary compound of nitrogen and oxygen
  • Japanese: 一酸化窒素 (issanka-chisso) — binary compound of nitrogen and oxygen
  • Portuguese: óxido nítrico — binary compound of nitrogen and oxygen
  • Romanian: oxid de azot — binary compound of nitrogen and oxygen
  • Spanish: óxido nítrico — binary compound of nitrogen and oxygen
  • Swedish: kväveoxid — binary compound of nitrogen and oxygen