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lensed

 [lenz]   Origin

lens

   [lenz] noun, plural lens·es, verb
noun
1.
a piece of transparent substance, usually glass, having two opposite surfaces either both curved or one curved and one plane, used in an optical device in changing the convergence of light rays, as for magnification, or in correcting defects of vision.
2.
a combination of such pieces.
3.
some analogous device, as for affecting sound waves, electromagnetic radiation, or streams of electrons.
4.
Anatomy. crystalline lens.
5.
Geology. a body of rock or ore that is thick in the middle and thinner toward the edges, similar in shape to a biconvex lens.
verb (used with object)
6.
Movies. to film (a motion picture).

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a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a stew of meat, vegetables, potatoes, etc.
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Origin:
1685–95; < Neo-Latin, special use of Latin lēns a lentil (from its shape); see lentil

Related forms
lens·less, adjective
lens·like, adjective
un·lensed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Etymonline
Word Origin & History

lens
1690s, from L. lens (gen. lentis) "lentil," on analogy of the double-convex shape. See lentil.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

lens (lěnz)
n. pl. lens·es

  1. A ground or molded piece of glass, plastic, or other transparent material with opposite surfaces either or both of which are curved, by means of which light rays are refracted so that they converge or diverge to form an image.

  2. A transparent, biconvex body of the eye between the iris and the vitreous humor that focuses light rays entering through the pupil to form an image on the retina.

lensed adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
lens   (lěnz)  Pronunciation Key 


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  1. A transparent structure behind the iris of the eye that focuses light entering the eye on the retina.

    1. A piece of glass or plastic shaped so as to focus or spread light rays that pass through it, often for the purpose of forming an image.

    2. A combination of two or more such lenses, as in a camera or telescope. Also called compound lens.

  3. A device that causes radiation to converge or diverge by an action analogous to that of an optical lens. The system of electric fields used to focus electron beams in electron microscopes is an example of a lens.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

lens definition


A clear, almost spherical structure located just behind the pupil of the eye. The lens focuses waves of light on the retina.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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