Originating from or caused by external processes, especially referring to geological processes like erosion on Earth's surface.
From Greek 'exo-' meaning 'outside' and 'genic' meaning 'producing' or 'originating from.' In geology, it specifically describes surface processes versus internal crustal forces.
Exogenic processes like wind, rain, and rivers constantly reshape Earth's surface, while exogenic geology students love pointing out that your favorite mountains are actually being slowly erased by the very rain that falls on them!
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