Associations to the word «Collimator»

Wiktionary

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

Dictionary definition

COLLIMATOR, noun. A small telescope attached to a large telescope to use in setting the line of the larger one.
COLLIMATOR, noun. Optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam.

Wise words

Words, words, words! They shut one off from the universe. Three quarters of the time one's never in contact with things, only with the beastly words that stand for them.
Aldous Huxley