biostrome

[ bahy-uh-strohm ]

/ ˈbaɪ əˌstroʊm /

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noun Geology.

a bedded, blanketlike sedimentary deposit of organic origin built by marine organisms and including shell beds, flat reefs, and corals.

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Origin of biostrome

1930–35; bio- + Greek strôma layer, bed; see stroma

OTHER WORDS FROM biostrome

bi·o·stro·mal, adjective

Words nearby biostrome

biospeleology, biosphere, biostatics, biostatistics, biostratigraphy, biostrome, biosurgery, biosynthesis, biosynthetic, biosystematics, biota

British Dictionary definitions for biostrome

biostrome

/ (ˈbaɪəˌstrəʊm) /

noun

a rock layer consisting of a deposit of organic material, such as fossils

Word Origin for biostrome

C20: from bio- + Greek strōma covering

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012