Cosmochronometer
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any process (such as forms of radioactive decay) that may be used to determine the age of an astronomical object.
Etymology
From cosmo- + chronometer.
More for "cosmochronometer"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.