biostrome

[bahy-uh-strohm]

noun Geology.

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

Origin of biostrome

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

Related formsbi·o·stro·mal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for biostrome

biostrome

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

biostrome

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}biostrome

biostrome

Word Origin for biostrome

Origin of biostrome