The frictional grip on a surface, of wheels, shoes etc.
An abnormal union of surface by the formation of new tissue resulting from an inflammatory process.
Persistent attachment or loyalty.
The ability of a substance to stick to an unlike substance.
An agreement to adhere.
The binding of a cell to a surface or substrate.
The wearing away of surface material.
Corrading (erosion by abrasion) caused by such as: wind-blown or water-borne sand, stream-borne or glacier-borne stones, or collisions between stones under the influence of seaside breakers.