(of wind, water, or other natural agents) gradually wear away (soil, rock, or land):the cliffs on this coast have been eroded by the sea
[no object] (of soil, rock, or land) be gradually worn away by natural agents:soft sedimentary rocks have eroded away
gradually destroy or be gradually destroyed: [with object]:this humiliation has eroded what confidence Jean has
Medicine (of a disease) gradually destroy (bodily tissue):many had their upper incisors missing and their maxillae eroded (as adjective eroding)vascular injury due to eroding ulcers
