biostrome

[ bahy-uh-strohm ]

/ ˈbaɪ əˌstroʊm /

noun Geology.

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

Nearby words

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

Origin of biostrome

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

Related forms

bi·o·stro·mal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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