- [countable]
a very thin thread of glass 玻璃纤维: 很细的玻璃丝 - (also fibreglass)(both British English)(US English fiberglass)[uncountable]
a strong light material made from glass fibres and plastic, used for making boats, etc. 玻璃纤维 a boat made of glass fibre 玻璃纤维制的小船