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WordReference Random House Unabridged Dictionary of American English © 2024ec•tro•dac•tyl•ism (ek′trō dak′tə liz′əm),USA pronunciation n. [Med.]- Pathologythe congenital absence of part or all of one or more fingers or toes.
Also, ec•tro•dac•tyl•i•a (ek′trō dak til′ē ə, -til′yə),USA pronunciation ec•tro•dac•ty•ly (ek′trō dak′tə lē).USA pronunciation - Greek éktrō(sis) miscarriage (ektrō-, base of ektitró̄skein to miscarry + -sis -sis) + -dactyl + -ism
- 1880–85
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