Hypertext Webster Gateway: "pisolite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Pisolite \Pi"so*lite\, n. [Gr. ? a pea + -lite: cf. F.
pisolithe.] (Min.)
A variety of calcite, or calcium carbonate, consisting of
aggregated globular concretions about the size of a pea; --
called also {peastone}, {peagrit}.
Note: O["o]lite is similar in structure, but the concretions
are as small as the roe of a fish.
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