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tetrachloroethylene: meaning, definition, pronunciation and examples

Technical/Low
UK/ˌtɛtrəˌklɔːrəʊˈɛθɪliːn/US/ˌtɛtrəˌklɔːroʊˈɛθəliːn/

Scientific, Industrial, Regulatory

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Quick answer

What does “tetrachloroethylene” mean?

A colourless, nonflammable liquid solvent, primarily used for dry cleaning fabrics and as an industrial degreasing agent.

Audio

Pronunciation

Definition

Meaning and Definition

A colourless, nonflammable liquid solvent, primarily used for dry cleaning fabrics and as an industrial degreasing agent.

A chlorinated hydrocarbon (C₂Cl₄) also known as perchloroethylene (perc), used as a solvent in metal cleaning and as a chemical intermediate in some manufacturing processes.

Dialectal Variation

British vs American Usage

Differences

No significant lexical difference. The abbreviated form 'perc' (for perchloroethylene) is common in industry in both regions.

Connotations

Primarily neutral/technical. Carries strong negative connotations in environmental and public health contexts due to its toxicity and potential as a groundwater contaminant.

Frequency

Equally low-frequency in both dialects, confined to specific professional fields (dry cleaning, industrial manufacturing, environmental science, toxicology).

Grammar

How to Use “tetrachloroethylene” in a Sentence

Tetrachloroethylene is used for VERB-ingThe site was contaminated with tetrachloroethyleneto degrease WITH tetrachloroethylene

Vocabulary

Collocations

strong
dry cleaningvapour degreasinggroundwater contaminationindustrial solventhalogenated solvent
medium
exposure touse oflevels ofcleaning with
weak
a litre ofthe smell ofspill of

Examples

Examples of “tetrachloroethylene” in a Sentence

verb

British English

  • The components are tetrachloroethylene degreased before assembly.
  • The process effectively tetrachloroethylene cleans the metal.

American English

  • The parts get tetrachloroethylene cleaned in the vapor degreaser.
  • They tetrachloroethylene strip the old paint off.

adjective

British English

  • The tetrachloroethylene-based cleaner is being phased out.
  • A tetrachloroethylene contamination plume was identified.

American English

  • The tetrachloroethylene solvent tank required replacement.
  • Tetrachloroethylene exposure limits were revised by OSHA.

Usage

Meaning in Context

Business

Dry cleaning business owners must phase out machines using tetrachloroethylene due to new regulations.

Academic

The study measured tetrachloroethylene biodegradation rates under anaerobic conditions.

Everyday

They had to relocate because tetrachloroethylene from the old factory was found in their well water.

Technical

The azeotrope of tetrachloroethylene and water boils at 87°C.

Vocabulary

Synonyms of “tetrachloroethylene”

Strong

C₂Cl₄PCE

Weak

dry cleaning fluidchlorinated solvent

Vocabulary

Antonyms of “tetrachloroethylene”

aqueous cleanerbiodegradable solventgreen solvent

Watch out

Common Mistakes When Using “tetrachloroethylene”

  • Misspelling as 'tetrachloroethelene' or 'tetra chloro ethylene'.
  • Incorrectly using it as a countable noun (e.g., 'a tetrachloroethylene'). It is a mass noun.

FAQ

Frequently Asked Questions

Yes, it is classified as a likely human carcinogen and a common environmental pollutant. Exposure should be controlled.

The prefix 'tetra-' means four, indicating there are four chlorine atoms in the molecule.

No, it is a controlled industrial chemical not available for general public use due to its health risks.

Tetrachloroethylene (C2Cl4) has four chlorine atoms and is mainly for dry cleaning. Trichloroethylene (C2HCl3) has three chlorine atoms and one hydrogen, and is used more for metal degreasing.

A colourless, nonflammable liquid solvent, primarily used for dry cleaning fabrics and as an industrial degreasing agent.

Tetrachloroethylene is usually scientific, industrial, regulatory in register.

Tetrachloroethylene: in British English it is pronounced /ˌtɛtrəˌklɔːrəʊˈɛθɪliːn/, and in American English it is pronounced /ˌtɛtrəˌklɔːroʊˈɛθəliːn/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • “(as) clear as tetrachloroethylene (rare, technical humour)”

Learning

Memory Aids

Mnemonic

Think of 'TETRA' (four) 'CHLORO' (chlorine) 'ETHYLENE' (a 2-carbon chain): A molecule with four chlorine atoms attached to an ethylene backbone.

Conceptual Metaphor

INVISIBLE THREAT (when discussed as a contaminant); INDUSTRIAL WORKHORSE (in solvent applications).

Practice

Quiz

Fill in the gap
Many older dry-cleaning establishments have had to replace equipment that used with newer, more environmentally friendly systems.
Multiple Choice

What is the most common commercial synonym for tetrachloroethylene?