What does "mesoproterozoic" mean?

Of a geologic era within the Proterozoic eon; comprises the Calymmian, Ectasian and Stennian periods from about 1600 to 900 million years ago, when the Rodinia supercontinent was formed.

What is a synonym for "mesoproterozoic"?

Common synonyms include: paleoproterozoic.

Mesoproterozoic

adj, name

adj, name ·Rare ·Advanced level

Definitions

Adjective

1
Of a geologic era within the Proterozoic eon; comprises the Calymmian, Ectasian and Stennian periods from about 1600 to 900 million years ago, when the Rodinia supercontinent was formed. not-comparable

Proper Noun

1
The Mesoproterozoic era.

Synonyms

All synonyms

paleoproterozoic

Etymology

From meso- + Proterozoic.

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