English dictionary
proterozoic eon meaning and definition
Definition and meaning of proterozoic eon at MeaningMonkey.org. proterozoic eon meaning and definition in the English Dictionary.PROTEROZOIC EON noun
Definition of Proterozoic eon (noun)
- from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
- synonyms: Proterozoic, Proterozoic aeon
Source: Princeton University Wordnet