ˌfibre ˈoptics BrE AmE noun [uncountable]
the process of using very thin threads of glass or plastic to carry information in the form of light, especially on telephone lines:
fibre optic cables
ˌfibre ˈoptics BrE AmE noun [uncountable]
the process of using very thin threads of glass or plastic to carry information in the form of light, especially on telephone lines:
fibre optic cables
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012