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near-infrared

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

in the meaning defined above

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