isodactylism

Condition in which the fingers or toes are all approximately of equal length. [iso- + G. daktylos, finger]

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n.

a congenital defect in which all the fingers are the same length.

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iso·dac·tyl·ism (i-so-dakґtəl-iz-əm) [iso- + dactyl- + -ism] a condition in which the fingers are of relatively even length.