monodactyly
/ˌmɒnəˈdæktɪlɪ/noun
mass noun
- Medicine & Zoology a condition in which there is only one finger or toe on each hand or foot【医, 动】单指现象; 单趾现象。
派生词
monodactyl
adjective词源
late 19th cent.: from monodactyl （from Greek monodaktulos 'one-fingered'） + -Y3.