Synonyms for proterozoic


1. Proterozoic, Proterozoic eon, Proterozoic aeon
usage: from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms


1. proterozoic, early (vs. middle) (vs. late)
usage: formed in the later of two divisions of the Precambrian era; "proterozoic life forms"
WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.

See also: proterozoic (Dictionary)


Related Content

Synonyms Index