The scientific measurement and study of crater dimensions, depth, diameter, and other physical characteristics.
From crater + -metry (Greek metron meaning 'measure' + -ia forming abstract nouns). This word follows the pattern of geometry, trigonometry, and anthropometry.
Cratometry revolutionized planetary geology because scientists realized impact crater size correlates with the asteroid's energy—bigger craters mean bigger space rocks, revealing our solar system's violent past.
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