Artificial intelligent assistant

pergameneous

pergameneous, a.
  (pɜːgəˈmiːniːəs)
  [f. L. pergamēn-a parchment + -eous.]
  Of the nature or texture of parchment; parchmenty.

1826 Kirby & Sp. Entomol. III. xxxv. 606 Something between coriaceous and membranous, which I shall express by the term pergameneous. Ibid. IV. xlvii. 371 Tegmina generally pergameneous, reticulated with nervures. 1866–8 Owen Anat. Vertebr. (L.), This is closed by a pergameneous expansion. 1899 Allbutt's Syst. Med. VIII. 708 The consistence of the skin is..somewhat pergameneous.

Oxford English Dictionary

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