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fiberscope

American  
[fahy-ber-skohp] / ˈfaɪ bərˌskoʊp /

noun

Optics.

  1. an optical instrument consisting of a fiber bundle with an objective lens at one end and an eyepiece at the other, for viewing objects not accessible to direct viewing.

Etymology

Origin of fiberscope

First recorded in 1950–55; fiber + -scope

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.