hyperdactylia
[hahy-per-dak-til-ee-uh]
- the presence of extra fingers or toes.
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Also hy·per·dac·tyl·ism [hahy-per-dak-tl-iz-uh m] /ˌhaɪ pərˈdæk tlˌɪz əm/, hy·per·dac·ty·ly [hahy-per-dak-tl-ee] /ˌhaɪ pərˈdæk tl i/.
Origin of hyperdactylia
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018