Definition of Agnotozoic
: algonkian , proterozoic
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Agnotozoic
noun or adjective
Ag·no·to·zo·ic
\
ag-¦nō-tə-¦zō-ik
,
¦ag-ˌnō-
\
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Origin and Etymology of agnotozoic
International Scientific Vocabulary agnoto- (from Greek agnōtos unknown) + -zoic
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