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| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| the offspring of a zebra and a donkey. |
light (līt)
n.
Electromagnetic radiation that has a wavelength in the range from about 4,000 (violet) to about 7,700 (red) angstroms and may be perceived by the normal unaided human eye.
Electromagnetic radiation of any wavelength.
light (līt) Pronunciation Key
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The type of electromagnetic wave that is visible to the human eye. Visible light runs along a spectrum from the short wavelengths of violet to the longer wavelengths of red. (See photon.)
light definition
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bring to light
Reveal or disclose something previously hidden or secret, as in After careful investigation all the facts of the case were brought to light. This term uses light in the sense of "public knowledge." [First half of 1500s]