名詞 indentation:

1. a concave cut into a surface or edge (as in a coastline)
   同義詞：indenture
2. the formation of small pits in a surface as a consequence of corrosion
   同義詞：pitting, roughness
3. the space left between the margin and the start of an indented line
   同義詞：indention, indent, indenture
4. the act of cutting into an edge with toothlike notches or angular incisions

1. Having indentations that extend about halfway to the center, as in certain leaves.
   半裂的有鋸齒狀邊緣的，延伸到距中心一半的距離，例如某些葉片

in.den.ta.tion

n.（名詞）

The act of indenting.
切割成鋸齒狀的行為
The condition of being indented.
呈犬牙交錯的狀態(tài)
Printing The blank space between a margin and the beginning of an indented line.
【印刷術】 行首空格：白邊與縮進行行首之間的空白處
A notch or jagged cut in an edge.
鋸齒狀缺口：物體邊緣.Ｖ.形或鋸齒形的缺口
A recess, as in a border or coastline.
凹入處：凹進之處，例如邊緣或海岸的凹進處