Word Study
mesozoic era
WORDNET DICTIONARY
Noun mesozoic era has 1 sense
- mesozoic era(n = noun.time) age of reptiles, mesozoic - from 230 million to 63 million years ago; Array has parts: cretaceous, cretaceous period, jurassic, jurassic period, triassic, triassic period
is a kind of era, geological era
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