antireflection coating

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

noun Optics.

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

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Origin of antireflection coating

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020