interferogram

[ in-ter-feer-uh-gram ]
/ ˌɪn tərˈfɪər əˌgræm /

noun Optics.

a photographic record of light interference patterns produced with an interferometer, used for recording shock waves and fluid flow patterns.

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Origin of interferogram

First recorded in 1920–25; interfere + -o- + -gram1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020