Pī'so-līte, n.

(49), n. [Fr. pisolite, from Gr. πίσον, Lat. pisum, a pea, and Gr. λίθος, stone.] (Min.) A calcareous stone, made up of globular concretions of about the size of a pea; — called also peastone. ☞ Oölite is similar in structure, but the concretions are as small as the roe of a fish. Dana.