Insulite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An insulating material, usually some variety of compressed cellulose, made of sawdust, paper pulp, cotton waste, etc. dated, uncountable

Etymology

Originally a trademark, probably from insulate + -ite.

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