pisolith

[ 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.

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Origin of pisolith

First recorded in 1790–1800; see origin at pisolite, -lith
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020