interferogram

noun
in·​ter·​fer·​o·​gram | \ ˌin-tər-ˈfir-ə-ˌgram How to pronounce interferogram (audio) , ˌin-tə-\

Definition of interferogram

: a photographic record made by an apparatus for recording optical interference phenomena

First Known Use of interferogram

1921, in the meaning defined above

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The first known use of interferogram was in 1921

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