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Webster 1913 Edition
Pisolite
Pi′so-lite
,Noun.
 [Gr. [GREEK] 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
. ☞ Oolite is similar in structure, but the concretions are as small as the roe of a fish. 
Webster 1828 Edition
Pisolite
PIS'OLITE
,Noun.