Collimator

noun

Word Frequency: 0.4

Definitions

1.nounAn optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence.

2.nounA similar device that produces a parallel beam of particles such as neutrons.

3.nounA small telescope attached to a larger one, used to point it in the correct general direction.

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.