noun · 4 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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/ˈɡlaɪ̯.kɒl/
Recorded audio is listed in the source snapshot.
CMU ARPABET:G L AY1 K AO2 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:G L AY1 K OW2 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Any aliphatic diol.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A thick, colourless liquid, C2H4(OH)2, of a sweetish taste, produced artificially from certain ethylene compounds and used as an antifreeze; ethylene glycol.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
any of a class of alcohols having 2 hydroxyl groups in each molecule
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: diol, dihydric alcohol
Antonyms: none provided
Broader terms: alcohol
4
noun
Meaning 4
a sweet but poisonous syrupy liquid used as an antifreeze and solvent
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: ethylene glycol, ethanediol
Antonyms: none provided
Broader terms: antifreeze
History
Etymology
Etymology tree Proto-Hellenic *dlukús Ancient Greek γλῠκῠ́ς (glŭkŭ́s) Akkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor. Aramaic כוחלא (kuḥlā)bor. Arabic كُحْل (kuḥl) Andalusian Arabic اَلْكُحُول (al-kuḥūl)bor. Medieval Latin alcoholder. Middle English alcofol English alcohol English -ol English glycol From Ancient Greek γλῠκῠ́ς (glŭkŭ́s, “sweet”) + English -ol.
Across languages
Translations
9 source translations are retained for this English entry.