| 单词 | obsidian |
| 释义 | obsidian /ob- or əb-sidˈi-ən/nounA vitreous acid volcanic rock resembling bottle glass, a coarse green glass used in the making of bottles ORIGIN: From obsidiānus, a false reading of L obsiānus (lapis), a stone found by one Obsius (wrongly Obsidius) in Ethiopia, according to Pliny |
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