Infrared

ahd-5
  • adjective. Of or relating to electromagnetic radiation between microwaves and red visible light in the electromagnetic spectrum, having frequencies between 300 gigahertz and 400 terahertz and wavelengths between 1 millimeter and 750 nanometers.
  • adjective. Generating, using, or sensitive to infrared radiation.
  • noun. Infrared light or the infrared part of the spectrum.
    • The Century Dictionary and Cyclopedia
  • Below the red.
    • the GNU version of the Collaborative International Dictionary of English
  • adjective. Lying outside the visible spectrum at its red end; -- said of rays having a longer wavelength (and thus less refrangible) than the extreme red rays, specifically those electromagnetic waves having a wavelength of between 700 nanometers and 1 millimeter.
  • adjective. relating to, using, or producing infrared radiation.
  • adjective. affected by infrared radiation.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm
  • adjective. Having the wavelength in the infrared.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • adjective. having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
  • noun. the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
  • noun. electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
    • Word Usage
    "Anyone who understands chemistry also knows that carbon dioxide is a gas that transmits visible light, but attempts to retain infrared radiation."
    Equivalent
    infra-red  invisible  unseeable  
    Hypernym
    Words that are more generic or abstract
    actinic radiation  actinic ray  frequence  frequency  oftenness  
    Rhyme
    Words with the same terminal sound
    Ed  Fed  Fred  Freda  Ged  
    Same Context
    Words that are found in similar contexts
    X-ray  acoustic  actinic  analog  black-light  
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