英语词汇“pitchblende”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	pitchblende
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pitch•blende (pich′blend′),USA pronunciation n. [Mineral.] Mineralogya massive variety of uraninite, occurring in black pitchlike masses: a major ore of uranium and radium. half translation, half adoption of German Pechblende. See pitch², blende 1760–70 Collins Concise English Dictionary © HarperCollins Publishers:: pitchblende /ˈpɪtʃˌblɛnd/ n a blackish mineral that is a type of uraninite and occurs in veins, frequently associated with silver: the principal source of uranium and radium. Formula: UO₂ Etymology: 18th Century: partial translation of German Pechblende, from Pech pitch² (from its black colour) + blende
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