Crystalloid /(krĭs"tal*loid)/

Crys·tal·loid

Crystalloid

a.
  1. Crystal-like; transparent like crystal.

Crystalloid

n.
  1. A body which, in solution, diffuses readily through animal membranes, and generally is capable of being crystallized; -- opposed to colloid. (Chem.)
  2. One of the microscopic particles resembling crystals, consisting of protein matter, which occur in certain plant cells; -- called also protein crystal. (Bot.)