spall

spall
[spɔːl]
verb
  1. [with obj.]break (ore, rock, or stone) into smaller pieces, especially in preparation for sorting
    击碎(矿石,岩石,石块)
    ■[no obj.](of ore, rock, or stone) break off in fragments
    (矿石,岩石,石块)裂成碎片
    cracks below the surface cause slabs of material to spall off.
    表面下的裂缝导致石板碎裂剥落。
noun
  1. a splinter or chip, especially of rock
    裂片;碎片(尤指碎石)
语源
  1. late Middle English (as a noun): of unknown origin. The verb dates from the mid 18th cent
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