white light

American  

noun

1. light perceived by the eye as having the same color as sunlight at noon.

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white light British  

noun

1. light that contains all the wavelengths of visible light at approximately equal intensities, as in sunlight or the light from white-hot solids

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white light Scientific  

1. Electromagnetic radiation composed of a fairly even distribution of all of the frequencies in the visible range of the spectrum, appearing white to the eye. Light from the Sun is nearly perfect white light, although the Sun does not itself appear white when viewed on Earth due to the scattering of light with frequencies in the blue range by the atmosphere, leaving the Sun with a yellow color.

2. Light that appears white to the eye, composed of some combination of light with frequencies in the red, blue, and green parts of the spectrum.

3. See also color

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Example Sentences

See Examples For:

white light

As passengers chanted the incantation together, white light flashed through the carriage, and music swelled from the speakers.

From Los Angeles Times ● Jul. 29, 2026

Another feature it is exploring would allow the glasses to constantly capture audio and visuals without notifying those around the user via the white light, according to people familiar with the project.

From The Wall Street Journal ● Jul. 14, 2026

Thanks to its large solar panels, the ISS often appears as the brightest and fastest-moving object in the night sky, shining as a steady white light .

From BBC ● Jun. 6, 2026

"I am dead. Yet I live," Palmer says back to him, slowly moving her hand in front of her face to remove it like a mask, revealing a bright white light that washes over Cooper.

From Salon ● Jan. 22, 2025

There was a blinding flash of white light followed by a deafening explosion that shook the house.

From "Storm Runners" by Roland Smith