n 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 : specif  :  the part of this range that is visible to the human eye  2  :  a source of light
or  lite  adj :  made with a lower calorie content or with less of some ingredient (as salt, fat, or alcohol) than usual < salad dressing>  .
 
 
 
Similar sounding terms:  left  LFD  lift  li·ve·do 
 
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