pitting
noun
- the action or process of forming pits
Wiktionary
noun
- The formation of pits on a surface because of corrosion.
“Hall found the immediate cause at Rickerscote to have been the complete fracture of an axle on STS 53241, the freight train's ninth wagon. The fracture had been caused by fatigue initiated by corrosion pitting on the axle surface.”
- The digging of a pit.
“Test pittings were carried out prior to the main excavation.”
verb
- present participle and gerund of pit