Origin: Latin suffix -tion
Indentation has 5 different meanings across 1 category:
a concave cut into a surface or edge (as in a coastline)
the formation of small pits in a surface as a consequence of corrosion
the space left between the margin and the start of an indented line
the act of cutting into an edge with toothlike notches or angular incisions
The act of indenting or state of being indented.