[ˌɪnf(r)əˈrɛd], (Adjective)

Definitions:
- (of electromagnetic radiation) having a wavelength just greater than that of the red end of the visible light spectrum but less than that of microwaves. Infrared radiation has a wavelength from about 800 nm to 1 mm, and is emitted particularly by heated objects


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[ˌɪnf(r)əˈrɛd], (Noun)

Definitions:
- the infrared region of the spectrum; infrared radiation


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