Word.ws English Dictionary

infrared

/ˌɪnfɹəˈɹɛd/

More pronunciations (1)Fewer pronunciations

Australia/ˌɪnfɹəˈɹed/

infrared noun: the electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm.

Noun

infrared (countable and uncountable, plural infrareds)

  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.
    • 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.1962, John Nelson Howard, Transmission of the Atmosphere in the Infrared: A Review, page 3
  2. (countable) A specific wavelength in this range.
    • 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.1924, The American Review of Tuberculosis, page 110
    • 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.2009, Alexander Grankov, Microwave Radiation of the Ocean-Atmosphere: Boundary Heat and Dynamic Interaction
  3. (countable) A device that emits infrared radiation.
    • In his room, he could install his infrareds without being discovered.2000, Pete Fowler, Keeps, page 62
    • Beams are the active counterparts of passive infrareds (PIRs). Since these are active infrareds, they require two parts: a transmitter and a receiver.2007, Ed Morawski, Solving the Security Puzzle, page 79

Adjective

infrared (not comparable)

  1. Having a wavelength in the infrared spectrum.
  2. (figuratively) Relating to very low energies or very large distances or time spans.
    • Unless otherwise stated, we will be working in Euclidean space compactified to a sphere in order to avoid infrared problems.1986, Luis Álvarez-Gaumé, “An Introduction to Anomalies”, in G. Velo, A. S. Wightman, editors, Fundamental Problems of Gauge Field Theory, →ISBN, page 97
    • 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).2000, Andreas Galka, Topics in Nonlinear Time Series Analysis: With Implications for EEG Analysis, →ISBN, page 176
    Antonyms:
    ultraviolet

infrared meaning in Hindi, Tamil, Marathi and Urdu

infrared in Hindi

radiation of a wavelength between 700 nm and 1 mm
अवरक्त avrakt
having the wavelength in the infrared
अवरक्त avrakt

infrared in Tamil

radiation of a wavelength between 700 nm and 1 mm
அகச்சிவப்பு akaccivappu

infrared in Marathi

इन्फ्रारेड, अवरक्त

infrared in Urdu

زیریں سرخ
More languagesFewer languages
infrared in Bengali
লাল উজানি
infrared in Telugu
ఇన్ఫ్రారెడ్, పరారుణ
infrared in Malayalam
ഇൻഫ്രാറെഡ്, ഇൻഫ്രാരെഡ്, ഇൻഫ്രാറഡ്
infrared in Kannada
ಅತಿಗೆಂಪು, ಇನ್ಫ್ರಾರೆಡ್
infrared in Punjabi
ਇਨਫਰਾਰੈੱਡ, ਇੰਫਰਾਰੈੱਡ
infrared in Gujarati
ઇન્ફ્રારેડ, ઈન્ફ્રારેડ, ઇન્ફરારેડ
infrared in Odia
ଇନଫ୍ରାରେଡ୍, ଇନ୍ଫ୍ରାରେଡ୍, ଇନଫ୍ରାରେଡ
infrared in Nepali
इन्फ्रारेड, अवरक्त
infrared in Arabic
تَحْتَ اَلْحَمْرَاء taḥta l-ḥamrāʔ
infrared in Malay
inframerah
infrared in Indonesian
inframerah
infrared in Persian
فروسرخ forusorx
infrared in Thai
อินฟราเรด in-fraa-rèet
infrared in Vietnamese
hồng ngoại

Examples of infrared in a sentence

  • Additionally, infrareds tend to cook food faster so there's less time to render said fat.2020, Jenny Dorsey, The Infrared Grill Master: Recipes and Techniques for Perfectly Seared, Deliciously Smokey BBQ Every Time:
  • Although infrared divergences are of long-distance nature, they often play an essential role in the verification of the validity of the perturbative treatment of short-distance phenomena.2010, Taizo Muta, Foundations of Quantum Chromodynamics: An Introduction to Perturbative Methods in Gauge Theories, 3rd edition, →ISBN...

All 30 example sentences with infrared

Antonyms of infrared

Forms of infrared

pluralinfrareds

Origin of infrared

From infra- + red.

Words formed from infrared

Phrases with infrared

Questions about infrared

What does infrared mean?
Infrared means 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 infrared in Hindi?
Infrared in Hindi is अवरक्त (avrakt). See Infrared meaning in Hindi.
How do you use infrared in a sentence?
Additionally, infrareds tend to cook food faster so there's less time to render said fat.
What part of speech is infrared?
Infrared can be a noun or an adjective.
How do you pronounce infrared?
Infrared is pronounced /ˌɪnfɹəˈɹɛd/ (UK).
What is the plural of infrared?
The plural of infrared is infrareds.

Words near infrared in the dictionary

  1. infrapostzygapophyseal
  2. infraprezygapophyseal
  3. infrapyloric
  4. infrapyramidal
  5. infrarealism
  6. infrared
  7. infrared astronomy
  8. infrared lamp
  9. infrared lamps
  10. infrared radiation
  11. infrared spectroscopy

Source and license

Adapted from Wiktionary: infrared (page history and authors); infrared (Marathi, IndicTrans2 machine translation) (model and license); infrared (Urdu Wiktionary) (page history and authors); infrared (Bengali Wiktionary) (page history and authors); infrared (Telugu, IndicTrans2 machine translation) (model and license); infrared (Malayalam, IndicTrans2 machine translation) (model and license); infrared (Kannada, IndicTrans2 machine translation) (model and license); infrared (Punjabi, IndicTrans2 machine translation) (model and license); infrared (Gujarati, IndicTrans2 machine translation) (model and license); infrared (Odia, IndicTrans2 machine translation) (model and license); infrared (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “infrared.” Word.ws, https://word.ws/infrared. Based on Wiktionary, CC BY-SA 4.0.