Dictionary
col•lid'ing-beam' machine"
Pronunciation: (ku-lī'ding-bēm'), [key] Physics.
a particle accelerator in which positively and negatively charged particles circulate in opposite directions and collide head-on. Also called
col•lid•er Pronunciation: (ku-lī'dur). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.