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单词 plattnerite
释义

plattneriten.

Brit. /ˈplatnərʌɪt/, U.S. /ˈplætnəˌraɪt/
Origin: From a proper name, combined with an English element; modelled on a German lexical item. Etymons: proper name Plattner , -ite suffix1.
Etymology: < the name of K. F. Plattner (1800–58), German metallurgist who described the mineral + -ite suffix1, after German Plattnerit ( W. Haidinger Handb. der bestimmenden Min.(1845) 504).
Mineralogy.
Native lead dioxide, PbO2, crystallizing in the tetragonal system and occurring as black crystals or black-brown masses.
ΘΚΠ
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > rutile and uranite groups A02 > others
plattnerite1849
ramsdellite1943
1849 J. Nicol Man. Mineral. 418 Plattnerite..[is] hexagonal but dimensions unknown.
1914 Brit. Mus.: Return 229 in Parl. Papers (H.C. 186) LXXI. 193 Crystallized plattnerite from Idaho.
1956 Science 8 June 1039/1 The principal minerals identified were legrandite,..plattnerite [etc.].
1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 151 The isotypic plattnerite PbO2..lacks a cleavage but its crystals vary from prismatic to acicular.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1849
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