plural of oolite

(geology) A rock consisting of spherical grains within a mineral cortex accreted around a nucleus, often of quartz grains. / (countable, rare) An ooid or oolith.

(geology) Made up of, or containing oolites / (dated, 19th century) Of a prehistoric era; Jurassic.

An oolite. / (dated, 19th century) A prehistoric era; the Jurassic.

plural of oolitic