The period between high tide and the next low tide in which the sea is receding.
The result of having been worn away or eroded, as by a glacier on rock or the sea on a cliff face.
A shallow ulceration or lesion, usually involving skin or epithelial tissue.
One of two fundamental operations in morphological image processing from which all other morphological operations are derived.
The changing of a surface by mechanical action, friction, thermal expansion contraction, or impact.
Loss of tooth enamel due to non-bacteriogenic chemical processes.
Destruction by abrasive action of fluids.
The gradual loss of something as a result of an ongoing process.
In morphology, a basic operation (denoted ⊖); see Erosion (morphology).