- indentation, indenture - a concave cut into a surface or edge (as in a coastline)
--1 is a kind of concave shape, concavity, incurvation, incurvature
--1 has particulars: notch; notch; cleft - pitting, roughness, indentation - the formation of small pits in a surface as a consequence of corrosion
--2 is a kind of corrosion, corroding, erosion
Derived form: verb indent3 - indentation, indent, indenture - the space left between the margin and the start of an indented line
--3 is a kind of space, blank space, place
Derived form: verb indent1 - indentation - the act of cutting into an edge with toothlike notches or angular incisions
--4 is a kind of change of shape
Derived form: verb indent4