Phrase guide

glass wool

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.

Sound

Pronunciation

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1

noun

Meaning 1

An insulating material, made from fiberglass, arranged into a texture similar to wool.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

glass fibers spun and massed into bundles resembling wool

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: filter, insulator, dielectric, nonconductor

History

Etymology

No etymology was provided for this word.

Across languages

Translations

30 source translations are retained for this English entry.

  • Arabic: صُوف زُجَاجِيّ (ṣūf zujājiyy) — insulating material
  • Belarusian: шклава́та (šklaváta) — insulating material
  • Bulgarian: стъ́клена ва́та (stǎ́klena váta) — insulating material
  • Catalan: llana de vidre — insulating material
  • Chinese Mandarin: 玻璃棉 (bōlímián) — insulating material
  • Czech: skelná vata — insulating material
  • Dutch: glaswol — insulating material
  • Esperanto: vitrolano — insulating material
  • Estonian: klaasvatt — insulating material
  • Estonian: klaasvill — insulating material
  • Finnish: lasivilla — insulating material
  • French: laine de verre — insulating material
  • German: Glaswolle — insulating material
  • Greek: υαλοβάμβακας (yalovámvakas) — insulating material
  • Hungarian: üveggyapot — insulating material
  • Italian: lana di vetro — insulating material
  • Japanese: グラスウール (gurasu ūru) — insulating material
  • Korean: 유리 솜 (yuri som) — insulating material
  • Korean: 글라스 울 (geullaseu ul) — insulating material
  • Lithuanian: stiklo vata — insulating material
  • Persian: پشم شیشه (pašm-e šiše) — insulating material
  • Polish: wełna szklana — insulating material
  • Portuguese: lã de vidro — insulating material
  • Romanian: vată de sticlă — insulating material
  • Russian: стеклова́та (steklováta) — insulating material
  • Slovak: sklená vata — insulating material
  • Slovene: steklena volna — insulating material
  • Spanish: lana de vidrio — insulating material
  • Turkish: cam yünü — insulating material
  • Ukrainian: склова́та (sklováta) — insulating material