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thecodont

[thee-kuh-dont] /ˈθi kəˌdɒnt/
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
1830-1840
1830-40; < Neo-Latin, equivalent to Greek thḗk(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. 2014.
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British Dictionary definitions for thecodont

thecodont

/ˈθiːkəˌdɒnt/
adjective
1.
(of mammals and certain reptiles) having teeth that grow in sockets
2.
of or relating to teeth of this type
noun
3.
any extinct reptile of the order Thecodontia, of Triassic times, having teeth set in sockets: they gave rise to the dinosaurs, crocodiles, pterodactyls, and birds
Word Origin
C20: New Latin Thecondontia, from Greek thēkē case + -odont
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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thecodont in Science
thecodont
  (thē'kə-dŏnt')   
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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