Standard Lemma guide

hemiaminal

noun · 1 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

Any organic compound having both an amino and a hydroxy functional group attached to the same carbon atom; they are synthesized by reacting ammonia or an amine with an aldehyde or ketone.

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

History

Etymology

Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Ancient Greek ἡμῐ- (hēmĭ-)lbor. English hemi- 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 -al English aminal English hemiaminal From hemi- + aminal.

Across languages

Translations

1 source translations are retained for this English entry.

  • French: hémiaminal — organic compound with an amino and a hydroxy group on the same carbon atom