'Phanerozoic' definitions:
Definition of '
Phanerozoic
'
From:
WordNet
noun
The period from about 5,400 million years ago until the present [syn: Phanerozoic,
Phanerozoic eon
,
Phanerozoic aeon
]
Words containing '
Phanerozoic'
phanerozoic aeon
,
phanerozoic eon
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