Neoarchean

adj, name

adj, name ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of a geologic era within the Archaean eon from about 2800 to 2500 million years ago. not-comparable
Proper Noun
  1. 1
    The era from 2,800 Ma to 2,500 Ma.

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