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Definition of “lens” - English Dictionary

"lens" in American English

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lensnoun [C]

us   /lenz/
  • lens noun [C] (GLASS)

a piece of glass or plastic having a curved surface in order to change the images that are received after going through it, usually to make them larger, smaller, or clearer: a camera lens Her eyeglasses have thick lenses.
  • 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)







"lens" in British English

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lensnoun [C]

uk   /lenz/ us   /lenz/
  • lens noun [C] (GLASS)

a curved piece of glass, plastic, or other transparent material, used in cameras, glasses, and scientific equipment, that makes objects seem closer, larger, smaller, etc.: a camera with a zoom lens
→  contact lens
  • 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
(Definition of lens from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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