Jisho

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Noun
1. age determination; dating
Wikipedia definition
2. Absolute datingAbsolute dating is the process of determining an approximate computed age in archaeology and geology. Some scientists prefer the terms chronometric or calendar dating, as use of the word "absolute" implies an unwarranted certainty and precision. Absolute dating provides a computed numerical age in contrast with relative dating which provides only an order of events.
Read “Absolute dating” on English Wikipedia
Read “年代測定” on Japanese Wikipedia
Read “Absolute dating” on DBpedia

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