单词 pitchblende 释义 pitchblende n[U] black shiny mineral ore which is the main source of uranium and radium 沥青铀矿. 英汉双解词典包含38652条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。 ...
单词 pitch-blende 释义 pitch-blende Min.|ptblnd|[ad. Ger. pechblende (Cronstedt, 1758), f. pech pitch n.1: see blende.]Native oxide of uranium, found in blackish pitch-like masses, more rarely crystalline; also called uraninite.1770tr. Cronstedt's Min. 2...