INFRA-RED
Meaning of INFRA-RED in English
inf ‧ ra-red /ˌɪnfrə ˈred◂/ BrE AmE adjective
infra-red light gives out heat but cannot be seen
⇨ ↑ ultraviolet
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012