Imperforate
Chamber's Twientieth Century Dictionary · 1908 · p. 52
-d, im-pėr′fo-rāt, -ed, adj. not pierced through: having no opening.— adj. Imper′for able , that cannot be perforated or bored through.— n. Imperforā′tion .
Bu kavram başka kaynaklarda da geçiyor
The American Illustrated Medical Dictionary (1913)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1893)
The Century Dictionary: The Encyelopedic Lexicon of the English Language (1887)
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