a method for the qualitative and quantitative determination of trace amounts of various elements by measuring the characteristic radioactive decay induced by neutron bombardment.
noun 1. a nuclear bomb designed to release radiation consisting mainly of neutrons, thus causing extensive loss of life but relatively little damage to buildings and property and only brief radioactive contamination. noun 1. a type of nuclear weapon designed to provide a high yield of neutrons but to cause little blast or long-lived radioactive […]
- Neutron gun
noun 1. (physics) a device used for producing a beam of fast neutrons
- Neutron moderator
neutron moderator See moderator.
noun, Physics. 1. the number of neutrons in the nucleus of an atom, equal to the mass number minus the atomic number of the atom. Symbol: N. noun 1. the number of neutrons in the nucleus of an atom N