definition of
indentation

[1] #1 indentation n. [indenture] a concave cut into a surface or edge (as in a coastline). wn

[2] #2 indentation n. [pitting, roughness] the formation of small pits in a surface as a consequence of corrosion. wn

[3] #3 indentation n. [indention, indent, indenture] the space left between the margin and the start of an indented line. wn

[4] #4 indentation n. the act of cutting into an edge with toothlike notches or angular incisions. wn