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antireflection coating

American  
[an-tee-ri-flek-shuhn, an-tahy-] / ˌæn ti rɪˈflɛk ʃən, ˌæn taɪ- /

noun

Optics.

  1. a thin film consisting of one or more layers of transparent material applied to lenses to reduce reflection.

Etymology

Origin of antireflection coating

anti- + reflection

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.