a. A sedimentary rock, usually a limestone, made up chiefly of ooliths
cemented together. The rock was originally termed "oolith."
Syn: roestone;
eggstone. AGI b. A term often used for oolith, or one of the ovoid particles of an
oolite. Etymol. Greek oon, egg. CF: pisolite
Source:
Dictionary of Mining, Mineral, and Related Terms