Definition of infrared

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  • infrared is a valid Scrabble US word with a point value of 12
  • infrared is a valid Scrabble UK word with a point value of 12
  • infrared is a valid Words with friends word with a point value of 13

Definition of infrared

  • electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves (noun)

    Synonyms

    1. infrared emission
    2. infrared light
    3. infrared radiation
  • the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range (noun)

    Examples

    1. they could sense radiation in the infrared

    Synonyms

    1. infrared frequency
  • having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end (adjective)

    Examples

    1. infrared radiation
    2. infrared photography

See definition of infrared in Merriam Webster