Definition of "spalling"

spalling

verb
1. present participle and gerund of spall
  Quotations
  * Cutting back of spalling masonry, reinforcement and repair using colour-matched stone repair mortar.
  2020 May 20, Philip Haigh, “Ribblehead: at the heart of the S&C's survival and its revival: Ribblehead Viaduct repairs”, in Rail, page 27
noun
countable and uncountable, plural spallings
1. The process of reducing (stone blocks, etc.) to an approximately level surface by hammering.
  Quotations
  In the British-made Greek bricks the magma is not so evenly distributed, but after successive spallings the brick is converted bit by bit into the larger crystal formation […]
  1919, The British Clay Worker, volume 27, page xxxi
2. Any process that spalls a surface, or the damage that results from that process: spallation.
  Quotations
  He says: "If we'd left any cracks exposed then it could have resulted in spalling.
  2021 May 5, Paul Stephen, “Restoring the glory of Ribblehead”, in RAIL, number 930, page 39
3. A fragment or chip of stone.
  Quotations
  A third process fluid, water, is employed to cool the burner and to aid in the removal of spallings.
  1967, Mining Engineering, volume 19, page 136