Cosmochronometer Definition
noun
(physics, astronomy) Any process (such as forms of radioactive decay) that may be used to determine the age of an astronomical object.
Wiktionary
Other Word Forms of Cosmochronometer
Noun
Singular:
cosmochronometerPlural:
cosmochronometersOrigin of Cosmochronometer
-
cosmo- + chronometer
From Wiktionary
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