Light
/lˈaɪt/
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Definition
(noun) Electromagnetic radiation in the wavelength range visible to the human eye (about 400–750 nanometers): visible light.
Sentence Examples
It's just five in the morning, but nevertheless it is light out.
A child is not a vessel for filling, but a fire to light.
CEFR Practice Quiz
Please turn off the ____ when you leave the room to save energy and reduce the overall utility costs tonight.