英语词汇“obsidian hydration method”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	obsidian hydration method
释义	obsidian hydration method obsidian hydration method [äb¦sid·ē·ən hī′drā·shən ‚meth·əd] (archeology) A chemical dating method that depends on the progressive thickening of a hydrated layer on the surface of volcanic glass.
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