indentation

noun

1. a concave cut into a surface or edge (as in a coastline)

Similar word(s): indenture

Definition categories: shape, concavity, incurvation, incurvature

2. the formation of small pits in a surface as a consequence of corrosion

Similar word(s): pitting, roughness

Definition categories: process, corroding, corrosion, erosion

3. the space left between the margin and the start of an indented line

Similar word(s): indent, indention, indenture

Definition categories: communication, place, space

4. the act of cutting into an edge with toothlike notches or angular incisions

Definition categories: act