Standard Lemma guide

hydroxylamine

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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1

noun

Meaning 1

An explosive inorganic derivative of ammonia, NH2OH, used as a reducing agent, and in organic synthesis.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any organic derivative of this compound.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ὑδρο- (hudro-)lbor. French hydro- Proto-Indo-European *ǵenh1- Proto-Indo-European *-os Proto-Indo-European *ǵénh1os Proto-Hellenic *génos Ancient Greek γένος (génos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -γενής (-genḗs)lbor. French -gène French hydrogènebor. English hydrogen Proto-Indo-European *h2eḱ-der.? Ancient Greek ὀξύς (oxús) ▲ Ancient Greek γένος (génos) French oxygènebor. English oxygen Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl blend English hydroxyl Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English amine English -amine English hydroxylamine From hydroxyl + -amine.

Across languages

Translations

8 source translations are retained for this English entry.

  • Chinese Cantonese: 羥胺 /羟胺 (koeng5 on1) — NH2OH
  • Chinese Mandarin: 羥胺 /羟胺 (qiǎng'àn) — NH2OH
  • Japanese: ヒドロキシルアミン (hidorokishiruamin) — NH2OH
  • Korean: 하이드록실아민 (haideuroksiramin) — NH2OH
  • Chinese Cantonese: 胲 (haai5) — derivative
  • Chinese Mandarin: 胲 (hǎi) — derivative
  • Japanese: ヒドロキシルアミン (hidorokishiruamin) — derivative
  • Korean: 하이드록실아민 (haideuroksiramin) — derivative