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 chaplain. 1 : a clergyman in charge of a chapel. 2 : a clergyman officially attached to a branch of the military, to an institution, or to a family or court. 3 : a person chosen to conduct religious exercises (as at a meeting of a club or society)