Definitions for ultravioletˌʌl trəˈvaɪ ə lɪt

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Random House Webster's College Dictionary

ul•tra•vi•o•letˌʌl trəˈvaɪ ə lɪt(adj.)

  1. pertaining to electromagnetic radiation having wavelengths in the range of approximately 5–400 nm, shorter than visible light but longer than x-rays.

    Category: Physics

  2. pertaining to, producing, or using light having such wavelengths: an ultraviolet lamp.

    Category: Physics

    Ref: Compare infrared. 2

  3. (n.)ultraviolet radiation.

    Category: Physics

Origin of ultraviolet:

1870–75

Princeton's WordNet

  1. ultraviolet, ultraviolet radiation, ultraviolet light, ultraviolet illumination, UV(adj)

    radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays

  2. ultraviolet(adj)

    having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end

    "ultraviolet radiation"; "an ultraviolet lamp"

Wiktionary

  1. ultraviolet(Noun)

    Ultraviolet colour.

  2. ultraviolet(Adjective)

    of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 nanometre - 10 nanometre

Webster Dictionary

  1. Ultraviolet(adj)

    lying outside the visible spectrum at its violet end; -- said of rays more refrangible than the extreme violet rays of the spectrum


Translations for ultraviolet

Kernerman English Multilingual Dictionary

ultraviolet(adjective)

(of light) consisting of rays from the invisible part of the spectrum beyond the purple, that have an effect on the skin, eg causing suntan.

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