[ pŏl′ē-ō-nĭk′ē-ə ]
The presence of supernumerary nails on the fingers or toes.
THIS WORD OF THE DAY QUIZ IS HARDLY A DODDLE!
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Question 1 of 7
What does “Promethean” mean?
Words nearby polyonychia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.