n.a fragment broken off from the edge or face of stone or ore and having at least one thin edge

"a truck bearing a mound of blue spalls"

同義詞：spawl

Smooth Spalls and the Polymorphism of Iron
Impact-Ejected Spalls from Layered Targets
Formation mechanism of cavitating spalls
Two-Phase Models of Formation of Cavitating Spalls in a Liquid
Preventing Limestone Spalls: Two McKim, Mead & White Buildings at Columbia University
The formation of smooth spalls in steel during the interaction of glancing detonation waves
Stabilization of rock blocks and rock spalls in gneissic rock urban zones of Rio de Janeiro
USE OF THE MOVING CEPSTRUM INTEGRAL TO DETECT AND LOCALISE TOOTH SPALLS IN GEARS
Evaluation of hydraulic cement-based materials for rapid repair of airfield spalls
METHODS FOR SAMPLING AND TESTING AGGREGATES: METHOD 3.2: SAMPLING - ROCK SPALLS, BOULDERS AND DRILL CORE