phot - plod
- photo
- photo finish
- photo library
- photo-ionization
- photo-optic memory
- photo-polymer
- photocathode
- photocell
- photocell amplifier
- photochemical
- photochemical equivalence
- photochemistry
- photochromic
- photochromism
- photocomposing
- photocomposing machine
- photocomposition
- photoconduction
- photoconductive
- photoconductor
- photocopier
- photocopy
- photocopying paper
- photocurrent
- photodiode
- photodisintegration
- photoelasticity
- photoelectric
- photoelectric absorption
- photoelectric cell
- photoelectric constant
- photoelectric counter
- photoelectric current
- photoelectric effect
- photoelectric emission
- photoelectric exposure meter
- photoelectric multiplier
- photoelectric photometer
- photoelectric relay
- photoelectric threshold
