Meaning of PROTEROZOIC

Pronunciation:			`prowturow'zowik
WordNet Dictionary
	Definition:		[n]  from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms [adj]  (geology) formed in the later of two divisions of the Precambrian era; "proterozoic life forms"
	Websites:
	Synonyms:		early, Preoterozoic era
	See Also:		era, geological era, Precambrian, Precambrian period