What does "polyisocyanurate" mean?

A form of polyurethane polymer, based on cyanuric acid, formed from a polyhydroxy alcohol and a diisocyanate; it forms foams that are used for thermal insulation

What is a synonym for "polyisocyanurate"?

Common synonyms include: pir, pir.

Polyisocyanurate

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A form of polyurethane polymer, based on cyanuric acid, formed from a polyhydroxy alcohol and a diisocyanate; it forms foams that are used for thermal insulation

Synonyms

All synonyms

pir pir

Etymology

From poly- + isocyanurate.

Related phrases

cyanuric acid

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.