noun
glass fiber; glass fibre
Refers to thin strands of glass used in insulation, composites, and optical cables. Common in technical and industrial contexts.
ガラス繊維は断熱材としてよく使われる。
Glass fiber is often used as a heat insulator.
この船の船体はガラス繊維強化
The hull of this boat is made of glass-fiber-reinforced plastic.