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Word: mesoproterozoic
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Meaning:
Adjective:
- geology 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.
Source: Wiktionary
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Proper noun:
- geology The Mesoproterozoic era.
Source: Wiktionary
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