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| lens [ lenz ] |
noun (plural lens·es) |
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| Definition: |
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1. optics transparent piece of glass for focusing: a piece of curved and polished glass or other transparent material that forms an image by refracting and focusing light passing through it
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2. optics system of lenses: a system of two or more lenses that is used in an optical instrument such as a telescope or camera
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3. ophthalmology
Same as contact lens
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4. anatomy light-focusing part of eye: the part of the eye that focuses light to produce an image on the light-sensitive cells of the retina. It is nearly spherical and convex on both sides, and sits behind the pupil.
Technical name crystalline lens
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5. physics beam-focusing device: a device that focuses a beam of electrons or radiation other than light
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transitive verb (past and past participle lensed, present participle lens·ing, 3rd person present singular lens·es) |
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| Definition: |
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movies film something: to record a motion picture on film
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| [Late 17th century. < Latin, "lentil"; from its shape] |
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