- overbreak
- \\ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun
: a caving in of loosened material along the edge of an excavation
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/oh"veuhr brayk'/, n. Civ. Engin.earth or rock excavated outside of neat lines.Also, overbreakage.[OVER- + BREAK]
Useful english dictionary. 2012.