buf·fo 
(bfō)
(bfō)n. pl. buf·fi (-fē) or buf·fos
A man who sings comic opera roles.
[Italian, from buffare, to puff, of imitative origin.]
- photocopier
- 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