polyfoam

P3O1L1Y4F4O1A1M3

noun

Any of various materials, made from synthetic polymers, that have a cellular structure and are frequently used in upholstery or insulation.

Similar
polyurethane foam
OriginEnglish foam ← Ancient Greek πολῠ́ς (polŭ́s) ← Proto-Indo-European *polh₁ús →
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Meanings

nounpolyfoam (countable and uncountable, plural polyfoams)

plural polyfoams

  1. countableuncountableAny of various materials, made from synthetic polymers, that have a cellular structure and are frequently used in upholstery or insulation.

Synonyms & antonyms

nouna foam made by adding water to polyurethane plastics

Similar
polyurethane foam
Broader
polyurethanepolyurethanPUR

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Englishfoam
  6. Englishpolyfoam

From poly- + foam.

Full word history & related roots →
Cite this entry
APA

polyfoam. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/polyfoam

MLA

“polyfoam.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/polyfoam. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “polyfoam,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/polyfoam.

Source: polyfoam on Wiktionary, CC BY-SA 4.0.