These objects move about through the lattice by one of several different types of diffusion, but basically they can jump from point to point through the crystalline structure into areas of lower concentration.
Definition of mascot. : a person, animal, or object adopted by a group as a symbolic figure especially to bring them good luck the team had a mountain lion as their mascot.
Definition of bully. plural. bullies. 1a : a blustering, browbeating person; especially : one who is habitually cruel, insulting, or threatening to others who are weaker, smaller, or in some way vulnerable tormented by the neighborhood bullyb : pimp. 2 : a hired ruffian. 3 archaic a : sweetheartb : a fine chap.