单词 | placer |
释义 | plac·er (plăsər) n. 1. A glacial or alluvial deposit of sand or gravel containing eroded particles of valuable minerals. 2. A place where a placer deposit is washed to extract its mineral content. [Spanish, shoal, placer, from Catalan placer, shoal, from plassa, place, from Medieval Latin placea; see PLACE.] |
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