hyperdactyly

Từ điển WordNet v3.1 - WordNet Dictionary

noun

birth defect characterized by the presence of more than the normal number of fingers or toes
• Syn:
polydactyly
• Derivationally related forms:
polydactylous (for: polydactyly)
• Topics:
homo, man, human being, human
• Hypernyms:
birth defect, congenital anomaly, congenital defect, congenital disorder, congenital abnormality