光纤

光纖
guāngxiān
  1. optical fiber
  2. fiber optics

CEDICT

Entry Composition

1 光 guāng
  1. bright; shiny
  2. only; merely
  3. used up; finished
  4. to leave (a part of the body) uncovered

classifier: 道
2 纤 xiān
  1. fine
  2. delicate
  3. minute