didactylism

didactylism definition - medical

di·dac·tyl·ism (dī-dăkˈtə-lĭzˌəm)

noun
A congenital defect in which there are only two digits on a hand or a foot.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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