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