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noun
1.
any member of several orders of small to large lizardlike terrestrial and freshwater amphibians, some ancestral to land vertebrates, forming the extinct subclass Labyrinthodonta that flourished from the Devonian through the Triassic periods, characterized by a solid, flattened skull and conical teeth.
adjective
2.
having teeth with complexly infolded enamel surfaces.
3.
belonging to or pertaining to the Labyrinthodonta.
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Labyrinthodont
has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
| (used as a nonsense word by children to express approval or to represent the longest word in English.) |
| a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S. |
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To labyrinthodont
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
labyrinthodont  (lāb'ə-rĭn'thə-dŏnt') Pronunciation Key
Any of various extinct amphibians of the group Labyrinthodontia, which were the dominant animals of the late Paleozoic Era. Labyrinthodonts had stocky, lizardlike bodies with short limbs, and fishlike teeth with labyrinthine structure (with complex infolding of the enamel). They varied from the size of a salamander to that of a crocodile. One early genus, Ichthyostega, was probably the first terrestrial vertebrate. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia
labyrinthodont
a type of tooth made up of infolded enamel that provides a grooved and strongly reinforced structure. This tooth type was common in the true amphibians of the Paleozoic Era, some lobe-finned fishes closely related to tetrapods, and in the early anthracosaurs-which were tetrapods closely related to the amniotes.
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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