Medical Dictionary
2 ENTRIES FOUND:

beam

noun \ˈbēm\

Medical Definition of BEAM

1
:  a ray or shaft of light
2
:  a collection of nearly parallel rays (as X-rays) or a stream of particles (as electrons)
April 25, 2015
lissome Hear it
nimble or easily flexed
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears