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 hawk. 1  1 : any of numerous diurnal birds of prey belonging to a suborder (Falcones of the order Falconiformes) and including all the smaller members of this group; especially : accipiter. 2  2 : a small board or metal sheet with a handle on the underside used to hold mortar.