English
wikipedia
Pronunciation
rhymes|��ɪk
Adjective
en-adj
#geology Of, or relating to the geologic eon from about 2,500 to 570 million years ago; comprises the Paleoproterozoic, Mesoproterozoic and Neoproterozoic eras; marked by the build up of oxygen in the atmosphere and the emergence of primitive multicellular life.
Proper noun
en-proper noun
- geology The Proterozoic eon.
Translations
trans-top|Proterozoic eon
Croatian: t+|hr|proterozoik|m, t-|hr|algonkij|m
trans-mid
trans-bottom
See also
Wiktionary appendix:Geologic timescale
id:Proterozoic
zh:Proterozoic
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