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Dictionary


bi•o•strome



Pronunciation: (bī'u-strōm"), [key]
n. Geol.
a bedded, blanketlike sedimentary deposit of organic origin built by marine organisms and including shell beds, flat reefs, and corals.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

biostratigraphybiosynthesis

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