Definition of proterozoic Proterozoic
Pro•te•ro•zo•ic
We found 3 definitions of proterozoic from 3 different sources.
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What does proterozoic mean?
WordNet
Adjective |
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| proterozoic - formed in the later of two divisions of the Precambrian era; "proterozoic life forms" | ||
| early at or near the beginning of a period of time or course of events or before the usual or expected time; "early morning"; "an early warning"; "early diagnosis"; "an early death"; "took early retirement"; "an early spring"; "early varieties of peas and tomatoes mature before most standard varieties" | ||
| geology a science that deals with the history of the earth as recorded in rocks | ||
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Wiktionary 
- proterozoic (Adjective)
Of, or relating to the geologic eon from about 2,500 to 570 million years ago; comprises the Paleoproterozoic, Mesoproterozoic and Neoproterozoic eras; marked by the build up of oxygen in the atmosphere and the emergence of primitive multicellular life.
Part of speech
🔤- proterozoic, noun, singular of proterozoics.
