near-infrared

adjective

near-in·fra·red | \ ˌnir-ˌin-frə-ˈred

How to pronounce near-infrared (audio)

, -(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

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near field communication

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The first known use of near-infrared was in 1950

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