Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Having two successive sets of teeth, deciduous and permanent.

from The Century Dictionary.

  • Having two sets of teeth, as a mammal; growing in two sets, as teeth: applied both to the system of dentition and to the animals which have such a system: opposed to monophyodont and polyphyodont. See II.
  • noun A mammal which has two sets of teeth.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Anat.) Having two successive sets of teeth (deciduous and permanent), one succeeding the other; ; -- opposed to monophyodont.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective anatomy Having two successive sets of teeth (deciduous and permanent), one succeeding the other.
  • noun Any creature with two successive sets of teeth.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[From Greek diphuēs, double (di-, two; see di–) + phuein, to grow; see bheuə- in Indo-European roots + –odont.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek διφυής (diphuēs, "double") + ὀδόντος (odontos) (genitive of ὀδούς (odous, "tooth")).

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Examples

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