Dictionary.com

stromatolite

[ stroh-mat-l-ahyt ]
/ stroʊˈmæt lˌaɪt /

noun Geology.

a laminated calcareous fossil structure built by marine algae and having a rounded or columnar form.

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Origin of stromatolite

<German Stromatolith (1908) <New Latin stromat-, stem of stromastroma + -o--o- + German -lith-lith; see -lite

OTHER WORDS FROM stromatolite

stro·mat·o·lit·ic [stroh-mat-l-it-ik], /stroʊˌmæt lˈɪt ɪk/, adjective

Words nearby stromatolite

stroll, stroller, stroma, stromateid, stromateoid, stromatolite, Stromboli, Strombolian, stromuhr, strong, strong accumulation point
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for stromatolite

stromatolite
/ (strəʊˈmætəˌlaɪt) /

noun

a rocky mass consisting of layers of calcareous material and sediment formed by the prolific growth of cyanobacteria: such structures date back to Precambrian times

Derived forms of stromatolite

stromatolitic (strəʊˌmætəˈlɪtɪk), adjective

Word Origin for stromatolite

C20: from Greek, from strōma covering + -lite
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

Scientific definitions for stromatolite

stromatolite
[ strō-măt′l-īt′ ]

A dome-shaped structure consisting of alternating layers of carbonate or silicate sediment and fossilized algal mats. Stromatolites are produced over geologic time by the trapping, binding, or precipitating of sediment by groups of microorganisms, primarily cyanobacteria. They are widely distributed in the fossil record and contain some of the oldest recorded forms of life, from over three billion years ago. They continue to form today especially in western Australia.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.