English

Definition of infrared adjective from the Oxford Advanced Learner's Dictionary

 

infrared

 adjective
adjective
BrE BrE//ˌɪnfrəˈred//
 
; NAmE NAmE//ˌɪnfrəˈred//
 
(physics) Energy and physical forces
 
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having or using electromagnetic waves which are longer than those of red light in the spectrum, and which cannot be seen infrared radiation an infrared lamp compare ultraviolet See related entries: Energy and physical forces
See the Oxford Advanced American Dictionary entry: infrared