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.
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Pronunciation
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UK:/diːklɔːɹɪˈneɪʃən/
1
noun
Meaning 1
The removal of chlorine from water that has been chlorinated
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Any reaction in which chlorine atoms are removed from a molecule
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin dē-der. English de- English chlorination English dechlorination From de- + chlorination.