The act of building a dam or blocking the flow of water; or in present participle form, the ongoing action of constructing or maintaining a dam.
From 'dam' with the present participle suffix -ing. This gerund can function as both a noun (the activity) and a verb form (ongoing action).
Damming is one of humanity's oldest engineering projects—ancient civilizations built dams thousands of years ago, and beaver damming influenced how early colonial settlers chose where to build their mills!
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