7 entries found for lens.
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Main Entry: lens
Pronunciation: lenz
Function: noun 1 a: a clear curved piece of material (as glass) used to bend rays of light to form an image especially to correct vision or magnify an object b: a piece of glass or plastic used (as in protective goggles or sunglasses) to protect the eye 2: a clear part of the eye that focuses rays of light so as to form an image (as upon the retina)