英语词汇“opal”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	opal
释义	WordReference Random House Learner's Dictionary of American English © 2024 o•pal /ˈoʊpəl/USA pronunciation n. Mineralogya mineral, a form of silica, found in many varieties and colors, including milky white, sometimes made into a gemstone with many shining colors in it: [countable]a ring with two beautiful, shiny opals.[uncountable]a necklace of opal. WordReference Random House Unabridged Dictionary of American English © 2024 o•pal (ō′pəl),USA pronunciation n. Mineralogya mineral, an amorphous form of silica, SiO₂ with some water of hydration, found in many varieties and colors, including a form that is milky white. Jewelryan iridescent variety of this that is used as a gem. Jewelrya gem of this. Greek opállios opal, gem; probably from a source akin to Sanskrit upala precious stone Latin opalus Middle English 1350–1400 O•pal (ō′pəl),USA pronunciation n. a female given name. Collins Concise English Dictionary © HarperCollins Publishers:: opal /ˈəʊp^əl/ n an amorphous, usually iridescent, mineral that can be of almost any colour, found in igneous rocks and around hot springs. It is used as a gemstone. Composition: hydrated silica. Formula: SiO₂.nH₂O Etymology: 16th Century: from Latin opalus, from Greek opallios, from Sanskrit upala precious stone ˈopal-ˌlike adj
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