invisible electromagnetic radiation that has a wavelength of 750 - 1000 micrometers (used for many purposes, such as night vision and targeting advanced weapons)
(Askeri) vukuat raporu; bilgi oranı; bilgi ihtiyacı; kızılötesi; istihbarat ihtiyacı (incident report; information rate; information requirement; infrared; intelligence requirement)
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Etymologie
(prefix.) Middle English, from Middle French, from Latin; akin to Old English un-.