adjective Zoology.
having rootless teeth fastened to the alveolar ridge of the jaws.

1840–50; acr- + -odont

acrodontism, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
acrodont (ˈækrəˌdɒnt)
1.  See also pleurodont (of the teeth of some reptiles) having no roots and being fused at the base to the margin of the jawbones
2.  having acrodont teeth
[C19: from acro- + -odont]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

acrodont ac·ro·dont (āk'rə-dŏnt')
Having teeth attached to the edge of the jawbone without sockets.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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