- photocathode
- photocauterization
- photocell
- photochemical
- photochemical decomposition
- photochemical effect
- photochemical radiation
- photochemical reaction
- photochemist
- photochemistry
- photochlorination
- photochromatic
- photochrome
- photochrome glass
- photochromic
- photochromic glass
- photochromic recording
- photochromism
- photochromogenicity
- photochromy
- photochronographe
- photocoagulation
- photocolorimeter
- photocombustion
- photocompose
- photocomposer
- photocomposition
- photoconducing drum
- photoconducing layer
- photoconducting cell
- photoconduction
- photoconduction current
- photoconduction electron
- photoconductive
- photoconductive cell
- photoconductive device
- photoconductive effect
- photoconductive film
- photoconductive gain
- photoconductive meter
- photoconductive transducer
- photoconductivity
- photoconductivity gain
- photoconductor
- photoconductor diode
- photocopier
- photocopy
- photocopying machine
- photocopying table
- photocreep
- photocurrent
- photodecomposition
- photodermatism
- photodermatitis
- photodermatosis
- photodetachment
- photodetection
- photodetector
- photodetector diode
- photodeuteron
- photodichroic recording
- photodiffusion effect
- photodigital memory
- photodiode
- photodiode array
- photodisintegrate
- photodisintegration
- photodissociate
- photodissociation
- photodissociation laser
- photodrama
- photodramatic
- photodramatist
- photodrawing
- photodynamic
- photodysphoria
- photoeffect
- photoelastic
- photoelastic analysis
- photoelastic method
- photoelastic procedure
- photoelasticity
- photoelasticity method
- photoelectret
- photoelectric
- photoelectric absorption
- photoelectric amplifier
- photoelectric cell
- photoelectric colorimeter
- photoelectric colourimeter
- photoelectric constant
- photoelectric control
- photoelectric controller
- photoelectric counter
- photoelectric current
- photoelectric densitometer
- photoelectric detector
- photoelectric device
- photoelectric effect
- photoelectric emission