infrared, infrared frequency(noun)
the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
"they could sense radiation in the infrared"
infrared, infrared light, infrared radiation, infrared emission(adj)
electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
"infrared radiation"; "infrared photography"
electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm
In the infrared spectrum.
Having the wavelength in the infrared.
Origin: Latin infra, below, + red
Infrared light is electromagnetic radiation with longer wavelengths than those of visible light, extending from the nominal red edge of the visible spectrum at 700 nanometres to 1 mm. This range of wavelengths corresponds to a frequency range of approximately 430 THz down to 300 GHz, and includes most of the thermal radiation emitted by objects near room temperature. Infrared light is emitted or absorbed by molecules when they change their rotational-vibrational movements. The existence of infrared radiation was first discovered in 1800 by astronomer William Herschel. Slightly more than half of the energy from the Sun arrives on Earth in the form of infrared radiation. The balance between absorbed and emitted infrared radiation has a critical effect on the Earth's climate. Infrared energy elicits vibrational modes in a molecule through a change in the dipole moment, making it a useful frequency range for study of these energy states for molecules of the proper symmetry. Infrared spectroscopy examines absorption and transmission of photons in the infrared energy range. Infrared light is used in industrial, scientific, and medical applications. Night-vision devices using active near-infrared illumination allow people or animals to be observed without the observer being detected. Infrared astronomy uses sensor-equipped telescopes to penetrate dusty regions of space, such as molecular clouds; detect objects such as planets, and to view highly red-shifted objects from the early days of the universe. Infrared thermal-imaging cameras are used to detect heat loss in insulated systems, to observe changing blood flow in the skin, and to detect overheating of electrical apparatus.
Song lyrics by infrared -- Explore a large variety of song lyrics performed by infrared on the Lyrics.com website.
The numerical value of Infrared in Chaldean Numerology is: 1
The numerical value of Infrared in Pythagorean Numerology is: 3
Examples of Infrared in a Sentence
These clouds are so thick that even Hubble’s infrared capability could not penetrate them.
The creepy thing is they’re only doing it at night. What are you going to see at night unless you have an infrared camera ?
The red stars are either embedded or shrouded by intervening dust, these clouds are so thick that even Hubble’s infrared capability could not penetrate them.
We are developing algorithms for infrared search and track - we have a passive way to detect and track we would then hand off the target location to a countermeasure system.
The millimeter wave radar turns on first. Then the data link gives it a cue and tells the seeker where to open up and look. Then it turns on its IR (infrared) which uses heat seeking technology.
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Translations for Infrared
From our Multilingual Translation Dictionary
- تحت الحمراء, الأشعة تحت الحمراءArabic
- infraroigCatalan, Valencian
- infračervený, infračervenéCzech
- infrarød, infrarød strålingDanish
- υπέρυθρος, υπέρυθρεςGreek
- فروسرخ, فرو سرخPersian
- fodhearg, infridheargIrish
- fo-dheargScottish Gaelic
- infravörös, infravHungarian
- אינפרא אדוםHebrew
- 赤外, 赤外線Japanese
- 적외선, 적외선의Korean
- инфрацрвено зрачење, инфрацрвенMacedonian
- infraraud stråling, infraraudNorwegian Nynorsk
- infrarød, infrarød strålingNorwegian
- podczerwień, podczerwonyPolish
- infracrven, инфрацрвенSerbo-Croatian
- infraröd, infraröd strålning, infrarSwedish
- Kızılaltı, Kızılötesi, kızılTurkish
- hồng ngoạiVietnamese
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