Definition of stromatolite in English:

stromatolite

Syllabification: stro·mat·o·lite
Pronunciation: /strōˈmatəˌlīt
 
/

noun

  • A calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment, found in Precambrian rocks as the earliest known fossils, and still being formed in lagoons in Australasia.
    More example sentences
    • The formation has yielded numerous fossils of stromatolites in addition to microfossils.
    • Fossilized cyanobacterial mounds are called stromatolites.
    • At first sight, the Shark Bay stromatolites look like rocks lying in an orderly fashion in the intertidal zone.

Origin

1930s: from modern Latin stroma, stromat- 'layer, covering' + -lite.

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