Definition of collimator
1 : a device for producing a beam of parallel rays (as of light) or for forming an infinitely distant virtual image that can be viewed without parallax
2 : a device for obtaining a beam (as of particles) of limited cross section
Explore Merriam-Webster
1865
First Known Use of collimator
1865
Medical Dictionary
collimator
play
noun
col·li·ma·tor
\ˈkäl-ə-ˌmāt-ər\
Medical Definition of collimator
: a device for obtaining a beam of radiation (as X-rays) of limited cross section
Learn More about collimator
-
Britannica.com: Encyclopedia article about collimator
Seen and Heard
What made you want to look up collimator? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!