indentations

Noun

• 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
• plural of indentation

Synonyms

indent, indentation, indention, indenture, pitting, roughness