English Online Dictionary. What means infrared? What does infrared mean?
English
Etymology
From infra- + red.
Pronunciation
- (UK, US, Canada) IPA(key): /ˌɪnfɹəˈɹɛd/
- (General Australian) IPA(key): /ˌɪnfɹəˈɹed/
Noun
infrared (countable and uncountable, plural infrareds)
- (uncountable) The electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm.
- Hypernym: electromagnetic radiation
- (countable) A specific wavelength in this range.
- (countable) A device that emits infrared radiation.
Translations
Adjective
infrared (not comparable)
- Having a wavelength in the infrared spectrum.
- Hyponyms: mid-infrared, near-infrared
- (figurative, physics) Relating to very low energies or very large distances or time spans.
- Antonym: ultraviolet
Derived terms
Translations
Further reading
- infrared on Wikipedia.Wikipedia