Standard Lemma guide

chloral

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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  • /ˈklɔːɹæl/

1

noun

Meaning 1

A colourless narcotic liquid, trichloroacetaldehyde, CCl3CHO, obtained at first by the action of chlorine on alcohol and that, when treated with water, produces chloral hydrate.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *ǵhelh3- Proto-Hellenic *khlōrós Ancient Greek χλωρός (khlōrós) Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English chlorine Akkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor. Aramaic כוחלא (kuḥlā)bor. Arabic كُحْل (kuḥl) Andalusian Arabic اَلْكُحُول (al-kuḥūl)bor. Medieval Latin alcoholder. Middle English alcofol English alcohol blend English chloral Blend of chlorine + alcohol.

Across languages

Translations

3 source translations are retained for this English entry.

  • German: Chloral — an organic compound
  • Hindi: नीरसु (nīrsu) — an organic compound
  • Italian: cloralio — an organic compound