Standard Lemma guide

chloromethane

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

Methyl chloride, a flammable gas once used as a refrigerant, with chemical formula CH3Cl.

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

2

noun

Meaning 2

Any of the chlorinated derivatives of methane.

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 *ǵhelh3- Proto-Hellenic *khlōrós Ancient Greek χλωρός (khlōrós) English chloro- Proto-Indo-European *médhu Proto-Hellenic *méthu Ancient Greek μέθυ (méthu) Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Methylbor. English methyl Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānusder. English -ane English methane English chloromethane From chloro- + methane.

Across languages

Translations

7 source translations are retained for this English entry.

  • Hungarian: klórmetán — Translations
  • Italian: clorometano — Translations
  • Japanese: クロロメタン (kurorometan) — Translations
  • Māori: mewaro pūhaumāota — Translations
  • Romanian: clorometan — Translations
  • Spanish: clorometano — Translations
  • Turkish: klorometan — Translations