The Collaborative International Dictionary
Papyrine
Papyrine \Pap"y*rine\, n. [Cf. F. papyrin made of paper. See Paper.] Imitation parchment, made by soaking unsized paper in dilute sulphuric acid.
Wiktionary
papyrine
n. A kind of imitation parchment, made by soaking unsized paper in dilute sulphuric acid.