| 单词 | obsidian dating |
| 释义 | obsidian datingnoun Archaeology.a method of dating obsidian artifacts or debitage by calculating how long it has taken to produce a given thickness of a hydration layer within such matter. Origin of obsidian datingFirst recorded in 1965–70 Words nearby obsidian datingobsession, obsessive, obsessive-compulsive, obsessive-compulsive disorder, obsidian, obsidian dating, obsidional coin, obsolesc., obsolesce, obsolescence, obsolescent Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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