optical fiber

noun

Definition of optical fiber

: a single fiber-optic strand

Recent Examples of optical fiber from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optical fiber.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of optical fiber

1962


OPTICAL FIBER Defined for English Language Learners

optical fiber

noun

Definition of optical fiber for English Language Learners

  • : a long, thin, glass or plastic thread that carries information in the form of light : a fiber-optic thread


OPTICAL FIBER Defined for Kids

optical fiber

noun

Definition of optical fiber for Students

: a single fiber used in fiber optics

Medical Dictionary

optical fiber

noun

medical Definition of optical fiber

: a single fiber-optic strand

Seen and Heard

What made you want to look up optical fiber? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

sticky or viscid

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!