i Register
In some senses, oolith is marked as rare. Watch for register when choosing this word.
oolith
UK /ˈəʊəlɪθ/ US /ˈoʊəˌlɪθ/
noun 2
Definitions
noun
1
A spherical granule of which oolite is composed, formed by concentric accretion of thin layers of a mineral (usually calcium carbonate (limestone) but also others such as dolomite and silica) around a core; an ooid.
2
Oolite.
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