nose-dive 
(nōzdīv′)
(nōzdīv′)intr.v. nose-dived or nose-dove (-dōv′), nose-dived, nose-div·ing, nose-dives
To perform a nosedive.
nose-div′er n.
- 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
- photo-essayist
- photo finish
- photoflash