Mesoarchean

adj, name

adj, name ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of a geologic era within the Archaean eon from about 3200 to 2800 million years ago; stromatolites have existed from this time. not-comparable
Proper Noun
  1. 1
    The era from 3,200 Ma to 2,800 Ma.

Synonyms

All synonyms
eoarchean

Etymology

From meso- + Archean.

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