What does "glass fibre" mean?

a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images

What is a synonym for "glass fibre"?

Common synonyms include: fibreglass, glass fiber, optical fiber, optical fibre.

Rare ·Advanced level

Noun

1
a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images wordnet