follow Dictionary.com

11 Trending Words of 2014

synapsid

synapsid in Science
synapsid
  (sĭ-nāp'sĭd)   
A reptile with one temporal opening on each side of the skull. Synapsids evolved in the late Permian Period and were characterized by carrying their limbs under their body and developing front teeth that were different from their back teeth. One group of synapsids, the therapsids, gave rise to the mammals. Compare anapsid, diapsid, therapsid.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Word Value for synapsid

0
15
Scrabble Words With Friends