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infrared

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌɪnfrəˈrɛd/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˌɪnfrəˈrɛd/ ,USA pronunciation: respelling(in′frə red′)

in•fra•red /ˌɪnfrəˈrɛd/USA pronunciation n. [uncountable]

Physicselectromagnetic radiation or light that is invisible, near the red end of the spectrum.

adj.

Physicsof, relating to, or using infrared rays:infrared radiation.Compare ultraviolet.

in•fra•red (in′frə red′),USA pronunciation n.

Physicsthe part of the invisible spectrum that is contiguous to the red end of the visible spectrum and that comprises electromagnetic radiation of wavelengths from 800 nm to 1 mm.

adj.

Physicsnoting or pertaining to the infrared or its component rays:infrared radiation.Cf. ultraviolet.

Also, in′fra-red′.

infra- + red¹ 1825–35

Collins Concise English Dictionary © HarperCollins Publishers::

infrared /ˌɪnfrəˈrɛd/ n

the part of the electromagnetic spectrum with a longer wavelength than light but a shorter wavelength than radio waves; radiation with wavelength between 0.8 micrometres and 1 millimetre

adj

of, relating to, using, or consisting of radiation lying within the infrared

'infrared' also found in these entries (note: many are not synonyms or translations):

automatic focus - black light - dark star - diathermancy - false colour - greenhouse effect - Holy Grail - Hubble telescope - image converter - infrared astronomy - infrared photography - jansky - laser - photoluminescence - quasar - radiant heat - snooperscope - spectrophotometer - star - Stealth bomber - thallium - thermogram - Brackett series - echelette - electromagnetic radiation - electron telescope - Eta Carinae - false color - heat lamp - image tube - infra - infrared galaxy - infrared star - IR - lamp - lidar - light - metascope - Mohawk - neocyanine - optoelectronics - Paschen series - Pfund series - remote sensing - ultrared - ultraviolet - YAG - sidewinder - stealth

In Lists: Physics terms, Red things, ECCE-Practice Test 3, more...

🗣️Forum discussions with the word(s) "infrared" in the title:

and reradiated in the infrared
detected by infrared miles out
infrared color / infrared light
Infrared system
Infrared thermometer
surveys, carried out at far-infrared and (sub)millimeter, ar
The infrared register of warm bodies becomes the city

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⇱ infrared - WordReference.com Dictionary of English

infrared