Mesozoic

adjective
Me·​so·​zo·​ic | \ ˌme-zə-ˈzō-ik How to pronounce Mesozoic (audio) , ˌmē-, -sə- \

Definition of Mesozoic

: of, relating to, or being an era of geologic history comprising the interval between the Permian and the Tertiary or the corresponding system of rocks that was marked by the presence of dinosaurs, marine and flying reptiles, ammonites, ferns, and gymnosperms and the appearance of angiosperms, mammals, and birds — see Geologic Time Table

Other Words from Mesozoic

Mesozoic noun

First Known Use of Mesozoic

1840, in the meaning defined above

Keep scrolling for more

Learn More About Mesozoic

Time Traveler for Mesozoic

Time Traveler

The first known use of Mesozoic was in 1840

See more words from the same year

Dictionary Entries Near Mesozoic

mesoxalyl

Mesozoic

Mespilus

See More Nearby Entries 

Statistics for Mesozoic

Cite this Entry

“Mesozoic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mesozoic. Accessed 20 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for Mesozoic

Mesozoic

noun
Mes·​o·​zo·​ic | \ ˌme-zə-ˈzō-ik How to pronounce Mesozoic (audio) , -sə- \

Kids Definition of Mesozoic

: an era of geological history which extends from the Paleozoic to the Cenozoic and in which dinosaurs are present and the first birds, mammals, and flowering plants appear

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!