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

• indenture

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

• pitting
• roughness

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

• indent
• indention
• indenture

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

• concave shape
• concavity
• incurvation
• incurvature

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

• corroding
• corrosion
• erosion

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

• blank space
• place
• space

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

• change of shape

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

• cleft
• notch
• notch

1. (noun) the formation of small pits in a surface as a consequence of corrosion

• dent
• indent
• mark
• pit
• pock
• scar

2. (noun) the space left between the margin and the start of an indented line

• indent
• indent

3. (noun) the act of cutting into an edge with toothlike notches or angular incisions

• indent