infrared

Meaning

Noun

1. (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.
2. (countable) A specific wavelength in this range.
3. (countable) A device that emits infrared radiation.

Adj

1. (not-comparable) Having a wavelength in the infrared spectrum.
2. (figuratively, not-comparable) Relating to very low energies or very large distances or time spans.

Opposite of

ultraviolet

Synonyms

IR

infrared radiation

infrared light

infrared emission

infrared frequency

IR light

ultrared

infrared rays

IR radiation

infra-red

Translations

infrarouge

infrarosso

infrarrojo

infrarot

infravermelho

Infrarot

infraroig

infrarood

radiazione infrarossa

υπέρυθρος

raggio infrarosso

Infrarotstrahlung

ultrarrojo

Pronounced as (IPA)

/ɪnfɹəˈɹɛd/

Etymology

From infra- + red.