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1. Dictionary

   Lens

   /lenz/

   

   noun

   • 1. a piece of glass or other transparent substance with curved sides for concentrating or dispersing light rays, used singly (as in a magnifying glass) or with other lenses (as in a telescope).
   • ▪ the light-gathering device of a camera, typically containing a group of compound lenses.
   • ▪ short for crystalline lens
   • ▪ short for contact lens
   • ▪ an object or device which focuses or otherwise modifies the direction of movement of light, sound, electrons, etc.

   Word Origin late 17th century: from Latin, ‘lentil’ (because of the similarity in shape).

   Derivatives

   • 1. lensed adjective
   • 2. lensless adjective

   Scrabble Points: 4

   • L

     1

   • E

     1

   • N

     1

   • S

     1

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2. People also ask

   What is lens noun?

   • Definition of lens noun from the Oxford Advanced Learner's Dictionary a curved piece of glass or plastic that makes things look larger, smaller or clearer when you look through it Join our community to access the latest language learning and assessment tips from Oxford University Press!

   lens noun - Definition, pictures, pronunciation and usage notes

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   What is a lens used for?

   • Lens definition: 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.. See examples of LENS used in a sentence.

   LENS Definition & Meaning | Dictionary.com

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   What is an example of a lens?

   • The system of electric fields used to focus electron beams in electron microscopes is an example of a lens. A clear, almost spherical structure located just behind the pupil of the eye. The lens focuses waves of light on the retina. A piece of transparent material, such as glass, that forms an image from the rays of light passing through it.

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   What is a glass lens?

   • A transparent structure behind the iris of the eye that focuses light entering the eye on the retina. 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. A combination of two or more such lenses, as in a camera or telescope.

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3. www.merriam-webster.com › dictionary › lensLens Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › lens

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   The meaning of LENS is a piece of transparent material (such as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used either singly or combined in an optical instrument for forming an image by focusing rays of light.

4. www.dictionary.com › browse › lensLENS Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › lens

   • Cached

   Browse. Lens definition: 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.. See examples of LENS used in a sentence.

5. dictionary.cambridge.org › us › dictionaryLENS | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   lens noun [C] (EYE) a curved, transparent part of the eye that helps you to see clearly by directing images of light onto the retina (= the back surface of the eye) (Definition of lens from the Cambridge Academic Content Dictionary © Cambridge University Press)

6. dictionary.cambridge.org › dictionary › englishLENS | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   lens noun [C] (EYE) the part of the eye behind the pupil (= the black hole at the front of the eye) that helps you to see clearly by focusing (= collecting) light onto the retina. SMART Vocabulary: related words and phrases. (Definition of lens from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

7. www.vocabulary.com › dictionary › lensLens - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › lens

   Definitions of lens. noun. a transparent optical device used to converge or diverge transmitted light and to form images. synonyms: lens system, lense. see more. noun. electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons. synonyms: electron lens. see more.

8. www.oxfordlearnersdictionaries.com › english › lenslens noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › english › lens

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   Definition of lens noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

9. dictionary.cambridge.org › learner-english › lensLENS | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › learner-english › lens

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   LENS definition: a curved piece of glass in cameras, glasses, and scientific equipment used for looking at things. Learn more.