MESOZOIC ERA

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 Dictionary entry overview: What does Mesozoic era mean? 

• MESOZOIC ERA (noun)
  The noun MESOZOIC ERA has 1 sense:

1. from 230 million to 63 million years ago

  Familiarity information: MESOZOIC ERA used as a noun is very rare.

 Dictionary entry details 

• MESOZOIC ERA (noun)

Sense 1

Meaning:

From 230 million to 63 million years ago

Classified under:

Nouns denoting time and temporal relations

Synonyms:

Age of Reptiles; Mesozoic; Mesozoic era

Instance hypernyms:

era; geological era (a major division of geological time; an era is usually divided into two or more periods)

Meronyms (parts of "Mesozoic era"):

Cretaceous; Cretaceous period (from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants)

Jurassic; Jurassic period (from 190 million to 135 million years ago; dinosaurs; conifers)

Triassic; Triassic period (from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity)

 Context examples 

The second period of the Mesozoic era, thought to have covered the span of time between 190 and 135 million years ago.

(Jurassic period, NOAA Paleoclimate Glossary)