JISUPOSTEnglish
ENGLISH DICTIONARY

Infrared

/ˌɪnfɹəˈɹɛd/ · noun

Meaning

(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..

Definitions by Sense

  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.
  4. Having a wavelength in the infrared spectrum.
  5. (figurative, physics) Relating to very low energies or very large distances or time spans.

Example Sentences

Collisions of these 'transparent' molecules with the molecules that do have absorption bands in the infrared can have a considerable influence on the intensities of the observed absorption bands.
Sonne has shown that by means of the luminous rays the temperature in the tissue may be raised to a higher degree than by the use of the infrareds.
Exposure of spectral pieces at centimeters, millimeters, and infrareds, which provide a top steadiness of the dependence "MCW radiation vs. parameter Δt" and its interannual (seasonal) dynamics.
In his room, he could install his infrareds without being discovered.
Beams are the active counterparts of passive infrareds (PIRs). Since these are active infrareds, they require two parts: a transmitter and a receiver.
Additionally, infrareds tend to cook food faster so there's less time to render said fat.
Unless otherwise stated, we will be working in Euclidean space compactified to a sphere in order to avoid infrared problems.
Secondly, as stated already by Osborne & Provenzale, pure k^(-α)-behaviour is impossible since there would have to be infinite power at zero frequency (this would correspond to an infrared catastrophe).

Synonyms for infrared

Antonyms for infrared

Related Words

Word Forms

Usage Notes

Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.

Practice and Learn More

Frequently Asked Questions

What does infrared mean?

Infrared means (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..

What is a synonym for infrared?

Common synonyms include invisible, unseeable, infrared radiation, infrared emission.

What is the opposite of infrared?

Possible antonyms include ultraviolet.

How do you use infrared in a sentence?

Collisions of these 'transparent' molecules with the molecules that do have absorption bands in the infrared can have a considerable influence on the intensities of the observed absorption bands.

Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.