IMPERFORATION
\ɪmpˌɜːfəɹˈe͡ɪʃən], \ɪmpˌɜːfəɹˈeɪʃən], \ɪ_m_p_ˌɜː_f_ə_ɹ_ˈeɪ_ʃ_ə_n]\
Sort: Oldest first
By William R. Warner
-
Absence of a natural aperture; as, of the mouth, anus, vulva, nostrils, etc. It is congenital, being dependent upon faulty conformation.
By Robley Dunglison
By Willam Alexander Newman Dorland