collimator

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English

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English Wikipedia has an article on:
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Etymology

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From collimate +‎ -or.

Pronunciation

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  • Audio (US):(file)
  • Rhymes: -eɪtə(ɹ)

Noun

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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.

Derived terms

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Anagrams

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