- a tiny, spherical or ellipsoid particle with concentric layers, usually of calcium carbonate, formed in wave-agitated sea waters
- a rock composed chiefly of oolites
Origin of ooliteFrench oölithe: see oo- and -lite
A sedimentary rock, usually limestone, consisting of ooliths that are cemented together.
(countable and uncountable, plural oolites)
From oo- +"Ž -lite, after German Oolit.