collisionless
Adjective. (physics, of an interaction, or of the transfer of energy) That does not involve a collision between particles, bodies, plasmas or waves.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.