单词 | opal |
释义 | opal/ˈəʊp(ə)l![]() noun A gemstone consisting of a quartz-like form of hydrated silica, typically semi-transparent and showing many small points of shifting colour against a pale or dark ground: a large opal [as modifier]: an opal ring...
OriginLate 16th century: from French opale or Latin opalus, probably based on Sanskrit upala 'precious stone' (having been first brought from India). Rhymes |
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