Definition of optical fiber in English:

optical fiber

Syllabification: op·ti·cal fi·ber

noun

  • A thin glass fiber through which light can be transmitted.
    More example sentences
    • Such fibres might outperform normal optical fibres because light trapped in their hollow core travels through a tenuous gas, rather than a solid glass.
    • In that technique, an optical fiber is used to transmit light from a specially coated lens.
    • The light detected by the receiver is transmitted through an optical fibre to a computerised spectrum analyser.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody