Infrared radiation is used in industrial, scientific, military, commercial, and medical applications. Night-vision devices using active near-infrared illumination allow people or animals to be …

Define Infared. Infared synonyms, Infared pronunciation, Infared translation, English dictionary definition of Infared. adj. Abbr. IR 1. Of or relating to electromagnetic radiation between …

Nov 6, 2025 · infrared radiation, that portion of the electromagnetic spectrum that extends from the long wavelength, or red, end of the visible-light range to the microwave range. Invisible to …

Dec 5, 2016 · The meaning of INFRARED is situated outside the visible spectrum at its red end —used of radiation having a wavelength between about 700 nanometers and 1 millimeter. …

Aug 10, 2016 · Infrared waves have longer wavelengths than visible light and can pass through dense regions of gas and dust in space with less scattering and absorption. Thus, infrared …

Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of visible light and shorter than radio waves. It is therefore invisible to the …

Mar 19, 2025 · Infrared light, also called infrared radiation or IR waves, is a type of electromagnetic radiation with wavelengths longer than visible light but shorter than …

Aug 16, 2013 · Infrared is a form of light... light that we can not see with our eyes, but that we can sometimes feel on our skin as heat. When we think of light, we may imagine the glare of the …

Jul 23, 2025 · Infrared rays are a type of invisible light. These rays have unique properties that set them apart from visible light. With longer wavelengths than the light we see, infrared rays …

Mar 14, 2024 · Infrared is a type of energy on the electromagnetic spectrum. Invisible to the human eye, infrared energy is given off by all heat sources. Discovered in 1800 by William …