noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of various materials, made from synthetic polymers, that have a cellular structure and are frequently used in upholstery or insulation. countable, uncountable
2. 2
   a foam made by adding water to polyurethane plastics wordnet

Synonyms

All synonyms

plastic foampolymer foampolyurethane foam

Antonyms

All antonyms

solid material

Etymology

From poly- + foam.