Dictionary.com

Popular Searches

 Thesaurus.com

collision density

American  

noun

Physics.

  1. the rate at which collisions are occurring per unit volume per unit time, usually pertaining to the collisions of neutrons in a nuclear reactor.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.