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Collimator vs Grating - What's the difference?

collimator | grating |

As nouns the difference between collimator and grating

is that collimator is (physics) an optical device that generates a parallel beam of light often used to compensate for laser beam divergence while grating is a barrier that has parallel or crossed bars blocking a passage but admitting air.

As an adjective grating is

(typically of a voice) harsh and unpleasant.

As a verb grating is

.

collimator

English

Noun

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

    * *

    grating

    Adjective

    (head)
  • (typically of a voice) harsh and unpleasant
  • abrasive; tending to annoy
  • Noun

    (en noun)
  • A barrier that has parallel or crossed bars blocking a passage but admitting air.
  • A frame of iron bars to hold a fire.
  • The loose material that comes from something being grated.
  • Add a few gratings of nutmeg to the hot milk.
  • An optical system of close equidistant and parallel lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction.
  • (nautical, in the plural) The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable lattice used for the flooring of boats.
  • Synonyms

    * grill

    Verb

    (head)