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pisolith

American

[pis-uh-lith, piz-, pahy-suh-] / ˈpɪs ə lɪθ, ˈpɪz-, ˈpaɪ sə- /

noun

a pea-size calcareous concretion, larger than an oolith, aggregates of which constitute a pisolite.

First recorded in 1790–1800; see origin at pisolite, -lith

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023