Definitions from Wiktionary (Proterozoic)
▸ adjective: (geology) Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.
▸ noun: (geology) The eon from 2,500 Ma to 541.0±1.0 Ma, the beginning of the Phanerozoic, marked by the build up of oxygen in the atmosphere and the emergence of primitive multicellular life.
▸ adjective: Alternative form of Proterozoic [(geology) Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.]
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▸ adjective: (geology) Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.
▸ noun: (geology) The eon from 2,500 Ma to 541.0±1.0 Ma, the beginning of the Phanerozoic, marked by the build up of oxygen in the atmosphere and the emergence of primitive multicellular life.
▸ adjective: Alternative form of Proterozoic [(geology) Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.]
Similar:
early,
Paleoproterozoic,
Neoproterozoic,
Mesoproterozoic,
Ectasian,
Paleozoic,
Phanerozoic,
Precambrian,
Archaean,
Ediacaran,
more...
Opposite:
Phrases:
Adjectives:
▸ Words similar to Proterozoic
▸ Usage examples for Proterozoic
▸ Idioms related to Proterozoic
▸ Wikipedia articles (New!)
▸ Popular adjectives describing Proterozoic
▸ Popular nouns described by Proterozoic
▸ Words that often appear near Proterozoic
▸ Rhymes of Proterozoic
▸ Invented words related to Proterozoic