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

Learn More about stromatolite

Seen and Heard

What made you want to look up stromatolite? Please tell us where you read or heard it (including the quote, if possible).