• word of the day

    infrared

    infrared - Dictionary definition and meaning for word infrared

    Definition
    (noun) the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
    Synonyms : infrared frequency
    Example Sentence
    • they could sense radiation in the infrared
    Definition
    (noun) electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves Definition
    (adj) having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
    Example Sentence
    • infrared radiation
    • infrared photography
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