perchloroethylene: meaning, definition, pronunciation and examples
Very LowTechnical / Scientific
Quick answer
What does “perchloroethylene” mean?
A colourless, volatile, nonflammable liquid with a sweet odour, chemical formula C2Cl4, used primarily as an industrial solvent for dry cleaning and metal degreasing.
Audio
Pronunciation
Definition
Meaning and Definition
A colourless, volatile, nonflammable liquid with a sweet odour, chemical formula C2Cl4, used primarily as an industrial solvent for dry cleaning and metal degreasing.
In environmental and health contexts, refers to a common groundwater contaminant and a potential occupational hazard, regulated due to its toxicity and classification as a likely human carcinogen.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The chemical name is standard internationally. The common abbreviation 'PCE' is used equally in both varieties.
Connotations
Identical technical connotations. In public discourse, it carries the same negative associations with pollution and health risks.
Frequency
Equally rare in general discourse but standard within relevant scientific and industrial fields in both regions.
Grammar
How to Use “perchloroethylene” in a Sentence
[perchloroethylene] is used for [purpose][process] involves [perchloroethylene]contamination by [perchloroethylene]Vocabulary
Collocations
Examples
Examples of “perchloroethylene” in a Sentence
adjective
British English
- The perchloroethylene contamination plume extended 200 metres from the site.
American English
- The perchloroethylene concentration in the well exceeded federal limits.
Usage
Meaning in Context
Business
Discussed in the context of dry-cleaning business regulations, liability for contamination, and cost of environmental remediation.
Academic
Studied in chemistry, environmental engineering, toxicology, and industrial hygiene journals for its properties, fate, transport, and health effects.
Everyday
Virtually never used. A member of the public might encounter it in news reports about a local pollution incident or a dry-cleaner closure.
Technical
The primary register. Used precisely in chemical safety data sheets, environmental site assessments, industrial process descriptions, and toxicological studies.
Vocabulary
Synonyms of “perchloroethylene”
Strong
Neutral
Weak
Vocabulary
Antonyms of “perchloroethylene”
Watch out
Common Mistakes When Using “perchloroethylene”
- Misspelling as 'perchloroethyline' or 'percloroethylene'. Incorrectly using it as a general term for all dry-cleaning chemicals.
FAQ
Frequently Asked Questions
Yes, 'perc' or 'PCE' are common industrial abbreviations for perchloroethylene (tetrachloroethylene).
Historically, through dry-cleaning services. Today, exposure is most likely through contaminated drinking water or air near contaminated industrial sites.
Due to its toxicity, classification as a likely human carcinogen, and its persistence as a environmental contaminant. Safer, 'greener' alternatives are being adopted.
Modern, well-regulated dry-cleaning processes are designed to remove virtually all solvent residue. The greater risk historically was to workers in poorly ventilated shops, not to customers wearing cleaned garments.
A colourless, volatile, nonflammable liquid with a sweet odour, chemical formula C2Cl4, used primarily as an industrial solvent for dry cleaning and metal degreasing.
Perchloroethylene is usually technical / scientific in register.
Perchloroethylene: in British English it is pronounced /pəˌklɔːrəʊˈɛθɪliːn/, and in American English it is pronounced /pərˌklɔːroʊˈɛθɪliːn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: PERfect for CLEaning clothes, but contains CHLOrine and is based on ETHYLENE. PER-CHLORO-ETHYLENE.
Conceptual Metaphor
Often framed as an 'invisible threat' or 'legacy contaminant' lurking in soil and groundwater.
Practice
Quiz
What is the primary reason perchloroethylene is a subject of environmental concern?