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thecodont

 - 3 dictionary results

the⋅co⋅dont

  [thee-kuh-dont]
Use thecodont in a Sentence
–noun
1. any of various reptiles of the extinct order Thecodontia, occurring in the late Permian to late Triassic periods and characterized by teeth set in sockets.
–adjective
2. having the teeth set in sockets.
3. belonging to or pertaining to the Thecodontia.
Origin:
1830–40; < NL, equiv. to Gk thk(ē) case, chest (see theca ) + -odont- -odont; so named from the sockets in which the marginal teeth were implanted
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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the·co·dont   (thē'kə-dŏnt')   
n.  Any of various extinct primitive archosaurs of the order Thecodontia of the late Permian and Triassic periods, having teeth in sockets and probably ancestral to the dinosaurs.

[New Latin Thēcodontia, order name : Greek thēkē, chest, sheath; see dhē- in Indo-European roots + Greek -odōn, -odont-, -odont.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
thecodont   (thē'kə-dŏnt')  Pronunciation Key 
Any of various extinct primitive archosaurs of the order Thecodontia of the late Permian and Triassic Periods. Thecodonts had teeth in sockets and were probably ancestral to the dinosaurs, pterosaurs, and crocodilians.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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