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sexdigitism
sexdigitism n.
Brit. 
/sɛksˈdɪdʒᵻtɪz(ə)m/
, /sɛksˈdɪdʒᵻtɪz(ə)m/U.S. /sɛksˈdɪdʒᵻˌtɪz(ə)m/
[after French sexdigitisme (1753 or earlier)] now historical the condition of having six fingers or toes; hexadactylism./sɛksˈdɪdʒᵻˌtɪz(ə)m/ΘΚΠ
the world > life > the body > external parts of body > limb > digit > [noun] > having specific number of
sexdigitism1775
polydactylism1865
pentadactylism1879
polydactyly1886
tetradactylity1891
pentadactyly1892
1775 J. Ash New Dict. Eng. Lang. Suppl. Sexdigitism.
1825 A. Clarke Bible Comm. II. 2 Sam. xxi. 20 Maupertius..says, that he met with two families near Berlin, where sexdigitism was equally transmitted on both sides of father and mother.
1903 Lancet 20 June 1756/1 There were certain hereditary conditions such as albinism, sexdigitism, and colour-blindness which did not affect longevity.
1981 S. A. Roe Matter, Life, & Generation v. 126 He [sc. C. F. Wolff] discusses the formation of monsters and the inheritability of monstrous structures such as sexdigitism.
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