Standard Lemma guide

Mesoarchean

adj · name · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Of a geologic era within the Archaean eon from about 3200 to 2800 million years ago; stromatolites have existed from this time.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

The era from 3,200 Ma to 2,800 Ma.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *me Proto-Indo-European *dheh1-? Proto-Indo-European *-dhe Proto-Indo-European *médhi Proto-Indo-European *-os Proto-Indo-European *médhyos Proto-Hellenic *métsos Ancient Greek μέσος (mésos)der. English meso- English Archean English Mesoarchean From meso- + Archean.

Across languages

Translations

8 source translations are retained for this English entry.

  • Finnish: keskiarkeeinen — of a geologic era from about 3,200 to 2,800 million years ago
  • Finnish: mesoarkeeinen — of a geologic era from about 3,200 to 2,800 million years ago
  • Greek: μεσοαρχαιοζωικός (mesoarchaiozoïkós) — of a geologic era from about 3,200 to 2,800 million years ago
  • Estonian: mesoarhaikum — era 3,200-2,800 Ma
  • Finnish: keskiarkeeinen maailmankausi — era 3,200-2,800 Ma
  • Finnish: mesoarkeeinen maailmankausi — era 3,200-2,800 Ma
  • Greek: Μεσοαρχαιοζωικός (Mesoarchaiozoïkós) — era 3,200-2,800 Ma
  • Russian: мезоархе́й (mezoarxéj) — era 3,200-2,800 Ma