Standard Lemma guide

amino

adj · noun · 5 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /əˈmiːnəʊ/
  • UK: /əˈmaɪnəʊ/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /əˈminoʊ/
  • rhymes with -iːnəʊ
  • rhymes with (UK also) -aɪnəʊ
  • CMU ARPABET: AH0 M IY1 N OW0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Relating to an amine.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The amine functional group.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An amino acid.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective

Meaning 4

pertaining to or containing any of a group of organic compounds of nitrogen derived from ammonia

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: aminic

Antonyms: none provided

5

noun

Meaning 5

the radical -NH2

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: amino group

Antonyms: none provided

Broader terms: group, radical, chemical group

Narrower terms: glucosamine

History

Etymology

Etymology tree 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 Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English amino- English amino From the prefix amino-, from amine, from ammonia + -ine.

Across languages

Translations

11 source translations are retained for this English entry.

  • Finnish: amino- — relating to an amine
  • Japanese: アミノ (amino) — relating to an amine
  • Korean: 아미노 (amino) — relating to an amine
  • Spanish: amino — relating to an amine
  • Catalan: aminat — the amine functional group
  • Chinese Mandarin: 氨基 (ānjī) — the amine functional group
  • Finnish: aminoryhmä — the amine functional group
  • Irish: aimín — the amine functional group
  • Japanese: アミノ (amino) — the amine functional group
  • Korean: 아미노 (amino) — the amine functional group
  • Spanish: amino — the amine functional group
Real reading context

amino in complete knowledge articles