光こう学がく繊せん維い

noun

optical fiber

Technical term for a thin glass or plastic strand that transmits light signals. Often used in telecommunications and medical devices. The loanword 光ファイバー is more common in everyday contexts.

See also: 光ファイバー

• 光こう学がく繊せん維いは高こう速そく通つう信しんに不ふ可か欠けつな技ぎ術じゅつです。

  Optical fiber is an essential technology for high-speed communication.