Medical Dictionary

1light

noun \ˈlīt\

Medical Definition of LIGHT

1
a :  the sensation aroused by stimulation of the visual receptors b :  an electromagnetic radiation in the wavelength range including infrared, visible, ultraviolet, and X-rays and traveling in a vacuum with a speed of about 186,281 miles (300,000 kilometers) per second; specifically :  the part of this range that is visible to the human eye
2
:  a source of light
July 01, 2015
precarious Hear it
not certain, secure, or steady
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