col·li·ma·tor
| \ ˈkä-lə-ˌmā-tər
\
\
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
Learn More About collimator
Statistics for collimator
Look-up Popularity
Cite this Entry
“Collimator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collimator. Accessed 7 Jul. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
More Definitions for collimator
collimator
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
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Brand Name Vocabulary Quiz
You’re gonna need some moxie to ace this quiz
Take the quiz
-
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
Take the quiz
-
True or False?
Test your knowledge - and maybe learn something a...
Take the quiz
-
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...
Take the quiz
Share collimator
Time Traveler for collimator
The first known use of collimator was in 1865
See more words from the same year