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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/ˌtɛtraklɔːrəʊˈɛθɪliːn/
1
noun
Meaning 1
A liquid chlorocarbon with the formula C2Cl4, commonly used in dry cleaning and metal degreasing.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
Uses of tetrachloroethylene have included dry cleaning, degreasing, deworming, and others, but its use is now curtailed as compared with decades ago.
Meaning relationships
Synonyms: tetrachloroethene, perchloroethylene, perc
Antonyms: none provided
2
noun
Meaning 2
anthelmintic agent used against hookworm and other nematodes
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Etymology tree Proto-Indo-European *kwetwóres Proto-Hellenic *kwétwores Ancient Greek τέσσᾰρες (téssăres) Ancient Greek τετρᾰ- (tetră-)bor. English tetra- English chloro- English ethylene English tetrachloroethylene From tetra- + chloro- + ethylene.
Across languages
Translations
9 source translations are retained for this English entry.