oolitic adjective 2noun 2forms 3 adjective2 •Made up of, or containing oolitesMasses of white, finely oolitic rock are attached to the outside of some of these coated pebbles. — 1844 •(no longer used, old-fashioned) Of a prehistoric era; Jurassic.These mines occur in the same ridge in which, about 120 miles to the northward, and subsequently in their more immediate neighborhood, we discovered the fossils belonging to the oolitic period — 1852 noun2 •An oolite. •(no longer used, old-fashioned) A prehistoric era; the Jurassic. formsoolitics · more oolitic · most oolitic
