Lens

Noun

  • (geometry) A convex shape bounded by two circular arcs, joined at their endpoints, the corresponding concave shape being a lune.
  • (by extension, figuratively) A way of looking, literally or figuratively, at something.
  • A device which focuses or defocuses electron beams.
  • (anatomy) The transparent crystalline structure in the eye.
  • An object, usually made of glass, that focuses or defocuses the light that passes through it.
  • (biology) A genus of the legume family; its bean.

Verb

  • (transitive) To film, shoot.
  • (geology) To become thinner towards the edges.

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