oolite

noun
oo·lite | \ ˈō-ə-ˌlīt \

Definition of oolite 

: a rock consisting of small round grains usually of calcium carbonate cemented together

Other words from oolite

oolitic \ˌō-ə-ˈli-tik \ adjective

First Known Use of oolite

1785, in the meaning defined above

History and Etymology for oolite

probably from French oolithe, from oo- o- + -lithe -lite

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The first known use of oolite was in 1785

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