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[pol-ee-dak-tuh-lee] /ˌpɒl iˈdæk tə li/
noun, Pathology
the condition of being polydactyl.
Origin of polydactyly
1885-90; polydactyl + -y3 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for polydactyly
  • For example, there's a condition known as polydactyly--literally, many digits--in which people have extra fingers or toes.
  • There may even be a connection between polydactyly and cancer.
polydactyly in Medicine

polydactyly pol·y·dac·ty·ly (pŏl'ē-dāk'tə-lē) or pol·y·dac·tyl·ism (-tə-lĭz'əm)
A condition characterized by the presence of more than five digits on a hand or foot. Also called hyperdactyly.

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