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noun stro·mat·o·lite \strō-ˈma-tə-ˌlīt\

Definition of stromatolite

  1. :  a laminated usually mounded sedimentary fossil formed from layers of cyanobacteria, calcium carbonate, and trapped sediment


play \-ˌma-tə-ˈli-tik\ adjective

Origin and Etymology of stromatolite

Latin stromat-, stroma bed covering + English -o- + -lite

First Known Use: 1930

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