首页  英汉  汉英  英英  词组  用法  例句  同义词  写作  俚语  缩写  词源  词根  法汉  德汉  日汉  俄汉  韩汉  西汉  意汉  泰汉  越汉

单词	dioptase
释义	dioptase /dʌɪˈɒpteɪz / noun [mass noun] A rare mineral occurring as emerald green or blue-green crystals. It consists of a hydrated silicate of copper.For digital photography, SoLux bulbs are perfect, yielding accurate rendition of difficult-to-photograph minerals such as dioptase and azurite.... Many of the best Tsumeb cerussite, dioptase, azurite, smithsonite, and other specimens passed through his hands en route to some faraway collection. Tantara dioptase occurs well crystallized with quartz, plancheite, shattuckite, fornacite, and chrysocolla. Origin Early 19th century: from French, formed irregularly from Greek dioptos 'transparent'.
随便看	medical student medical tourism medical tourist medicament medicamental medicamentally medicamentary medicamentation medicamentous Medicare Medicare levy medicaster medicate medication medicative medicator Medicean Medici Medici collar Medici lace medicinal medicinal leech medicinally medicine medicine ball

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。