Definitions
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Examples
“Lying between the Amazonian and Orinoco river basins, it is a complex massif of hard, predominantly proterozoic rock-formations, with low mineral content.”
Lists
These user-created lists contain the word ‘proterozoic’.
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for words
based upon per- indo-european root
turnverein, veer, frump, far, per, paramount, paramour, parget, parterre, parvenu, perissodactyl, palanquin and 133 more...
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Geological time scale
precambrian, hadean, archean, eoarchean, paleoarchean, mesoarchean, neoarchean, proterozoic, paleoproterozoic, siderian, rhyacian, orosirian and 136 more...
Tweets
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