erosion

The result of having been worn away or eroded, as by a glacier on rock or the sea on a cliff face.uncountable

• Father Ted: The cliffs were gone? How could they just disappear? Dougal: Erosion.

The changing of a surface by mechanical action, friction, thermal expansion contraction, or impact.uncountable

The gradual loss of something as a result of an ongoing process.figurativelyuncountable

• the erosion of a person's trust
• trademark erosion, caused by everyday use of the trademarked term

Destruction by abrasive action of fluids.uncountable

One of two fundamental operations in morphological image processing from which all other morphological operations are derived.countableuncountable

Loss of tooth enamel due to non-bacteriogenic chemical processes.countableuncountable

A shallow ulceration or lesion, usually involving skin or epithelial tissue.countableuncountable

In morphology, a basic operation (denoted ⊖); see Erosion (morphology).countableuncountable