单词 | uran- |
释义 | uran-comb. form Mineralogy. Forming nouns denoting minerals that contain uranium. (Some of these have some synonyms at uranium n. Compounds 2.) uranatemnite n. Brit. /ˌjʊərənəˈtɛmnʌɪt/ , /ˌjɔːrənəˈtɛmnʌɪt/ , U.S. /ˌjʊrənəˈtɛmˌnaɪt/ [ < uran- comb. form + a- prefix6 + τέμνειν to cut (see -tomy comb. form), so called on account of its lack of cleavage] rare = uraninite n.ΚΠ 1843 E. J. Chapman Pract. Mineral. 104 Uranatemnite. (Pitchblende.)..S[trea]k black; no cleavage. 1868 J. D. Dana Syst. Mineral. (ed. 5) 154 Uraninite... Uranatemnite Chapm. 1976 H. C. Creighton et al. tr. V. I. Smirnov Geol. Mineral Deposits ix. 249/1 Uranatemnite is precipitated through an increase in the alkalinity and a decrease in the oxidation potential of solutions. ΚΠ 1826 Edinb. Jrnl. Sci. 5 185 The uran-bloom has been found in a silver-vein, called the Elias, at Joachimsthal, in Bohemia, disposed on uranium-ore. 1843 Penny Cycl. XXVI. 40/1 Carbonate of Uranium, Uran Bloom. 1858 Amer. Jrnl. Sci. 75 415 Zippeite or Uranbloom... There are two varieties, a copper var. and one without copper. uran-glimmer n. Brit. /ˈjʊərənˌɡlɪmə/ , /ˈjɔːrənˌɡlɪmə/ , U.S. /ˈjʊrənˌɡlɪmər/ [after German Uranglimmer (A. G. Werner, 1797 or earlier); compare uran-mica n.] now rare = uran-mica n.ΚΠ 1805 Philos. Trans. (Royal Soc.) 95 348 If this mineral be the Uran-glimmer. 1842 C. Redding Illustr. Itinerary Cornwall 215 We may add here to the other mineral substances above..oxide of uranium in uran-glimmer, titanium; crystallized carbonate and phosphate of lead [etc.]. 1904 F. Soddy Radio-activity (Advt. section following p. 214) The following can be had by return of post... Uran Glimmer. uran-mica n. Brit. /ˈjʊərənˌmʌɪkə/ , /ˈjɔːrənˌmʌɪkə/ , U.S. /ˈjʊrənˌmaɪkə/ [after German Uranglimmer (see uran-glimmer n.)] Mineralogy (now rare) = torbernite n.; cf. uranite n. 2.ΚΠ 1804 R. Jameson Syst. Mineral. I. 18 (table) Uran mica. 1808 R. D. Jameson Syst. Mineral. III. 263 Uran-mica occurs principally in ironstone-veins that traverse granite and other primitive rocks. 1884 4th Ann. Rep. State Mineralogist (Calif. State Mining Bureau) 263 A number of minerals which are not now placed in the mica group, as follows:..‘Uran mica’, phosphate of uranium, torbernite. 1994 G. Egorov tr. N. A. Titayeva Nucl. Geochem. iii. 55 The hydrated basic phosphates, arsenates and vanadates..comprise the uran-mica group. uran-ochre n. Brit. /ˈjʊərənˌəʊkə/ , /ˈjɔːrənˌəʊkə/ , U.S. /ˈjʊrənˌoʊkər/ [after German Uranocher (1781 or earlier); compare French uranochre (1792 or earlier)] now rare any of various yellowish, earthy minerals containing uranium, esp. as an oxide.ΚΠ 1800 J. Parkinson Chem. Pocket-bk. 117 Uranite, of the metal of Uranochre..is of a dark steel or iron grey. 1812 H. Davy Elements Chem. Philos. 424 Uranium..may be procured from the ores called Pechblende, and Uranochre. 1875 F. A. Genth Prelim. Rep. Mineral. Pennsylvania 152 Small quantities of so-called uranochre, a basic sulphate of uranium, have been found..in the vicinity of Chester, Delaware county. 1909 Mining Mag. 1 156/1 In many cases it is found with a beautiful lemon incrustation consisting of a higher oxide known as uran-ochre. ΚΠ 1823 H. J. Brooke Familiar Introd. Crystallogr. 496 Pitch blende; Uran Pitch ore. 1832 C. L. Giesecke Descr. Catal. Minerals Royal Dublin Soc. 195 (heading) Pitch-ore, or uran pitch-ore. uran-vitriol n. Brit. /ˈjʊərənˌvɪtrɪəl/ , /ˈjʊərənˌvɪtrɪɒl/ , /ˈjɔːrənˌvɪtrɪəl/ , /ˈjɔːrənˌvɪtrɪɒl/ , U.S. /ˈjʊrənˌvɪtriəl/ [after German Uranvitriol (1795 or earlier)] now rare = johannite n.2ΚΠ 1828 W. Whewell Ess. Mineral. Classif. & Nomencl. 2 (table) Uran Vitriol Salt. 1837 R. Allan Phillips's Elem. Introd. Mineral. (ed. 4) 271 Johannite... Uran Vitriol, John. 1920 F. W. Atack Chemist's Year Bk. II. 678 (table) Uranvitriol. USO4 contg. U. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < comb. form1800 |
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