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单词 pinite
释义 I. pinite1 Min.|ˈpɪn-, ˈpaɪnaɪt|
[ad. Ger. pinit (Karsten, 1800), from its locality, the Pini mine, Schneeberg, Saxony: see -ite1 2 b.]
A hydrous silicate of aluminium and potassium, occurring in various crystalline forms.
1805R. Jameson Syst. Min. II. 552 Pinite..occurs seldom massive.1811Pinkerton Petralogy I. 217 Pinite, with gold pyrites and native gold.1859Page Geol. Terms (1865) 360 Pinite, a variety or sub-species of iolite.
II. pinite2 Chem.|ˈpaɪnaɪt|
[a. F. pinite, f. L. pīnus pine n.2: see -ite1 4.]
A crystallizable saccharine substance (C6H12O10) obtained from the sap of two species of pine-tree, Pinus lambertiana and P. sabiniana.
1857Miller Elem. Chem. III. 70 A modification of mannite (C6H6O5), to which the name of pinite has been given, has been found by Berthelot in the juice of the Pinus Lambertiana.1873Watts Fownes' Chem. (ed. 11) 629.
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更新时间:2024/12/22 13:46:12