SINCE 1828
near-infrared
adjective
near-in·fra·red
| \ ˌnir-ˌin-frə-ˈred
, -(ˌ)frä-\
, -(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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