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Definition of Cosmochronometer
1. Noun. (physics astronomy) Any process (such as forms of radioactive decay) that may be used to determine the age of an astronomical object. ¹
¹ Source: wiktionary.com
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1. Noun. (physics astronomy) Any process (such as forms of radioactive decay) that may be used to determine the age of an astronomical object. ¹
¹ Source: wiktionary.com