Definition of white light in English:

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white light

Pronunciation:

noun

[mass noun]
Apparently colourless light, for example ordinary daylight. It contains all the wavelengths of the visible spectrum at equal intensity.
Example sentences
  • With a prism ordinary white light can be split into a spectrum that resembles a rainbow.
  • The coloured rays of light entered this second prism and a single ray of white light emerged.
  • UV-B irradiation was performed either in the absence of other light sources or in the presence of white light.
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