Stromatolites

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    plural of stromatolite form-of, plural

Example

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"Stromatolites are the limestone structures formed by photosynthesizing bacteria called cyanobacteria. They created layers of alternating slimy bacteria and sediment in very shallow water, dominating shallow seas until predators, such as trilobites, came into the picture."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.