fibre optics
noun/ˌfaɪbər ˈɒptɪks/
/ˌfaɪbər ˈɑːptɪks/
(US English fiber optics)
[uncountable]- the use of thin fibres of glass, etc. for sending information in the form of light signals
- The use of fibre optics has served to increase the volume and speed of data transmission.
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fibre optics