Definition of “infrared” - English Dictionary

british dictionary

(Definition of “infrared” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“infrared” in American English

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infraredadjective [ not gradable ]

us /ˌɪn·frəˈred/

science describing light at the red end of the spectrum (= set of colors into which light is separated), which cannot be seen by human beings, and which gives out heat

(Definition of “infrared” from the Cambridge Academic Content Dictionary © Cambridge University Press)