Standard Lemma guide

glycol

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /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

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

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

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

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.

  • Catalan: glicol — any aliphatic diol
  • Danish: glykol — any aliphatic diol
  • French: glycol — any aliphatic diol
  • German: Glykol — any aliphatic diol
  • Greek: γλυκόλη (glykóli) — any aliphatic diol
  • Norwegian Bokmål: glykol — any aliphatic diol
  • Norwegian Nynorsk: glykol — any aliphatic diol
  • Polish: glikol — any aliphatic diol
  • Swedish: glykol — any aliphatic diol