Standard Lemma guide

trichloroethylene

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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  • /trʌɪˌklɔːrəʊˈɛθɪliːn/

1

noun

Meaning 1

The unsaturated chlorinated hydrocarbon CCl2=CHCl used as an industrial solvent and formerly as an anaesthetic.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

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

Examples

  • The nurse gave the woman in labour trichloroethylene, a chemical also used to clean metal parts.

Meaning relationships

Synonyms: TCE, trichloroethene

Antonyms: none provided

2

noun

Meaning 2

a heavy colorless highly toxic liquid used as a solvent to clean electronic components and for dry cleaning and as a fumigant; causes cancer and liver and lung damage

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: trichloroethane, TCE

Antonyms: none provided

Broader terms: ethylene, ethene

History

Etymology

tri- + chloro- + ethylene (“ethyl (“eth- + -yl”) + -ene”)

Across languages

Translations

12 source translations are retained for this English entry.

  • Chinese Mandarin: 三氯乙烯 (sānlǜyǐxī) — unsaturated chlorinated hydrocarbon
  • Finnish: trikloorietyleeni — unsaturated chlorinated hydrocarbon
  • French: trichloroéthylène — unsaturated chlorinated hydrocarbon
  • German: Trichlorethylen — unsaturated chlorinated hydrocarbon
  • German: Trichlorethen — unsaturated chlorinated hydrocarbon
  • Hebrew: טריכלורואתילן — unsaturated chlorinated hydrocarbon
  • Italian: tricloroetilene — unsaturated chlorinated hydrocarbon
  • Latin: trichloraethylenum — unsaturated chlorinated hydrocarbon
  • Portuguese: tricloroetileno — unsaturated chlorinated hydrocarbon
  • Romanian: tricloroetilenă — unsaturated chlorinated hydrocarbon
  • Spanish: tricloroetileno — unsaturated chlorinated hydrocarbon
  • Turkish: trikloroetilen — unsaturated chlorinated hydrocarbon