polydactylism

Meanings

1. 1
   noun

   the congenital condition of having more than the usual number of fingers or toes

   Darwin discussed polydactylism in humans and other animals as a possible case of reversion.

Formed from polydactyl + -ism. Polydactyl comes through French from Greek polydaktylos, 'many-fingered or many-toed,' from poly-, 'many,' + daktylos, 'finger or toe.' Polydactylism is an older synonym of the now more usual medical term polydactyly.

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