glass wool

Noun

uncountable usually

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

Japanese Meaning

ガラス繊維を利用して作られた断熱材で、ウールのような柔らかい質感を持つ素材。

The workers installed glass wool between the joists to improve the house's thermal efficiency.

作業員は家の断熱効率を高めるために、梁の間にグラスウールを敷き詰めた。

Sense（1）

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

glass wools

（ plural ）