Definition of excurvation:
(n) :
the act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass; a cavity formed by cutting, digging, or scooping
Definition of excurvation:
(n) :
the act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass; a cavity formed by cutting, digging, or scooping