collimator

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English[edit]

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Etymology[edit]

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Noun[edit]

collimator (plural collimators)

  1. (physics) An optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence.
  2. (physics) A similar device that produces a parallel beam of particles such as neutrons.
  3. (astronomy) A small telescope attached to a larger one, used to point it in the correct general direction.

Anagrams[edit]