definition 1: to slowly wear away, eat into, or destroy by the action of friction or as if by friction.
example: Wind erodes the unprotected topsoil.
example: The river eroded the limestone and created a gorge.
example: Peer pressure eroded her resistance.
example: Jealousy eroded their friendship.
definition 2: to form (a geological feature) by wearing away, esp. by the action of water, ice, or wind.
example: The river eroded a deep channel for itself over the years.
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