biostrome

noun bi·o·strome \ˈbīəˌstrōm\

Definition of biostrome

plural

-s

  1. :  a distinctly bedded or broadly lenticular body of rock composed mainly of the remains of sedentary organisms (such as shell beds, crinoid beds, or coral beds) — compare bioherm

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Origin and Etymology of biostrome

2bi- + Late Latin stroma coverlet, from Greek strōma bed, mattress


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