am·per·sand 
(ămpər-sănd′)
(ămpər-sănd′)n.
The character or sign (&) representing the word and.
[Alteration of and per se and, & (the sign) by itself (means) and.]
- photocoagulate
- photocoagulation
- photocompose
- photocomposition
- photoconduction
- photoconductive
- photoconductivity
- photocopier
- photocopy
- photocurrent
- photodecomposition
- photodegradable
- photodiode
- photodisintegration
- photoduplicate
- photoduplication
- photodynamic
- photodynamically
- photodynamics
- photodynamic therapy
- photoelectric
- photoelectrical
- photoelectrically
- photoelectric cell
- photoelectric effect