Dictionary.com

biostrome

[ bahy-uh-strohm ]
/ ˈbaɪ əˌstroʊm /
Save This Word!

noun Geology.
a bedded, blanketlike sedimentary deposit of organic origin built by marine organisms and including shell beds, flat reefs, and corals.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of biostrome

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

OTHER WORDS FROM biostrome

bi·o·stro·mal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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
FEEDBACK