infrared

== English == === Etymology === From infra- +‎ red. === Pronunciation === (UK, US, Canada) IPA(key): /ˌɪnfɹəˈɹɛd/ (General Australian) IPA(key): /ˌɪnfɹəˈɹed/ (South Asia) IPA(key): /ɪn.fɾɑ.ɾĕɖ/ === 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