PROTEROZOIC Antonyms
There are 6 antonyms of the word
proterozoic.
(opposite meanings)
Best Opposite Words For PROTEROZOIC
Expand? | Word | Save? | Synonyms.. | Usage | Type | |||
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archean | noun, adjectiven, adj | |||||||
noun • the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life adjective satellite • of or relating to the earliest known rocks formed during the Precambrian Eon | ||||||||
cenozoic | noun, adjectiven, adj | |||||||
adjective • of or relating to or denoting the Cenozoic era noun • approximately the last 63 million years | ||||||||
mesozoic | adjectiveadj | |||||||
adjective • of or relating to or denoting the Mesozoic era noun • from 230 million to 63 million years ago | ||||||||
paleozoic | noun, adjectiven, adj | |||||||
adjective • of or relating to or denoting the Paleozoic era noun • from 544 million to about 230 million years ago | ||||||||
phanerozoic | noun, adjectiven, adj | |||||||
noun • the period from about 540 million years ago until the present, a period when abundant life existed | ||||||||
precambrian | noun, adjectiven, adj | |||||||
noun • the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago |