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glancing angle

American  

noun

  1. the angle between a ray incident on a plane surface and the surface, as of a beam of electrons incident on a crystal; the complement of the angle of incidence.

Example Sentences

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If you send a wave at this wall at a glancing angle, it will always bounce back from the wall.

From Scientific American • Oct. 12, 2023

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.