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near–infrared

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adjective near–in·fra·red \ˌnir-ˌin-frə-ˈred, -(ˌ)frä-\

Definition of near–infrared

: of or relating to the shorter wavelengths of radiation in the infrared spectrum and especially to those between 0.7 and 2.5 micrometers

First Known Use of near–infrared

1950

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