Standard Lemma guide

Paleoproterozoic

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 Proterozoic eon from 2,500 to 1,600 million years ago.

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 2,500 Ma to 1,600 Ma, marked by a dramatic increase in atmospheric oxygen.

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 Ancient Greek πᾰλαιός (pălaiós)der. English paleo- English Proterozoic English Paleoproterozoic From paleo- + Proterozoic.

Across languages

Translations

11 source translations are retained for this English entry.

  • Finnish: varhaisproterotsooinen — of an era from 2,500 to 1,600 million years ago
  • Finnish: paleoproterotsooinen — of an era from 2,500 to 1,600 million years ago
  • French: paléoprotérozoïque — of an era from 2,500 to 1,600 million years ago
  • Swedish: paleoproterozoisk — of an era from 2,500 to 1,600 million years ago
  • Estonian: paleoproterosoikum — era 2,500-1,600 Ma
  • Finnish: varhaisproterotsooinen maailmankausi — era 2,500-1,600 Ma
  • Finnish: paleoproterotsooinen maailmankausi — era 2,500-1,600 Ma
  • French: Paléoprotérozoïque — era 2,500-1,600 Ma
  • Greek: Παλαιοπροτεροζωικός (Palaioproterozoïkós) — era 2,500-1,600 Ma
  • Polish: paleoproterozoik — era 2,500-1,600 Ma
  • Swedish: paleoproterozoikum — era 2,500-1,600 Ma
Real reading context

Paleoproterozoic in complete knowledge articles