DICTIONARY ENTRY
5 SYLLABLES
proterozoic
/,proʊtəroʊ'zoʊɪk/ · proʊtəroʊzoʊɪk
Proterozoic has 5 syllables: pro · te · ro · zo · ic.
pro
01
te
02
ro
03
zo
04
ic
05
noun. From 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms.
adjective. Formed in the later of two divisions of the Precambrian era.
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