51Թ

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biostrome

[ bahy-uh-strohm ]

noun

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

biostrome

/ ˈɪəˌٰəʊ /

noun

  1. a rock layer consisting of a deposit of organic material, such as fossils
“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
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Other 51Թ Forms

  • o·ٰm adjective
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51Թ History and Origins

Origin of biostrome1

1930–35; bio- + Greek ٰô layer, bed; stroma
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51Թ History and Origins

Origin of biostrome1

C20: from bio- + Greek ٰō covering

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