a weapon that fires particle beams into the atmosphere or space
noun 1. any of various composition boards formed from small particles of wood, as flakes or shavings, tightly compressed and bonded together with a resin. noun 1. another name for chipboard
noun 1. the branch of physics that deals with the properties and behavior of elementary particles. noun 1. the study of fundamental particles and their properties Also called high-energy physics particle physics The branch of physics that deals with subatomic particles. See also quantum field theory, quantum mechanics. The branch of science devoted to the […]
- Particle separation
noun 1. (transformational grammar) a rule that moves the particle of a phrasal verb, thus deriving a sentence like He looked the answer up from a structure that also underlies He looked up the answer
noun, Physics. 1. the velocity of a point in a medium that is undergoing wave motion.