A device that contains 2 pieces of Uranium-235, when they collide the nucleus' split releasing neutrons that in turn hit other Uranium nucleus' starting a Charin Reaction which if uncontrolled, will make everything go BOOM!
by PatMan33 October 01, 2003
A unit of biological dose of radiation; the name is derived from the initial letters of the term
"roentgen equivalent mammal (or man)".
"roentgen equivalent mammal (or man)".
by PatMan33 September 22, 2003