in·den·ta·tion 
(ĭn′dĕn-tāshən)
(ĭn′dĕn-tāshən)n.
1.
a. The act of indenting.
b. The condition of being indented.
2. The blank space between a margin and the beginning of an indented line.
3. A notch or jagged cut in an edge.
4. A recess, as in a border or coastline.
- photocopy
- photocurrent
- photodecomposition
- photodegradable
- photodiode
- photodisintegration
- photoduplicate
- photoduplication
- photodynamic
- photodynamically
- photodynamics
- photodynamic therapy
- photoelectric
- photoelectrical
- photoelectrically
- photoelectric cell
- photoelectric effect
- photoelectron
- photoemission
- photoemission spectroscopy
- photoengrave
- photoengraver
- photoengraving
- photo-essay
- photo essay