- Photo-oscillogram Noun Adj
- Photo-transfer Noun Adj Verb
- Photoabsorption Noun Adj
- Photoactivation Noun Adj
- Photoactor Noun Adj
- Photoallergy Noun
- Photoamplifier Noun Adj
- Photoamplifler Noun Adj
- Photoanalyzer Noun Adj
- Photoanode Noun Adj
- Photoautotroph Noun
- Photobiologist Noun
- Photobiology Noun Adj
- Photobiont Noun Adj
- Photobleaching Noun Pres. Participle
- Photocapacitor Noun Adj
- Photocarrier Noun Adj
- Photocatalysis Noun
- Photocatalyst Noun Adj
- Photocathode Noun Adj
- Photocell Noun Adj
- Photoceptor Noun Adj
- Photocharging Noun Pres. Participle
- Photochemical Adj Noun
- Photochemigraphy Noun
- Photochemist Noun
- Photochemistry Noun
- Photochemotherapy Noun Adj
- Photochlorination Noun Adj
- Photochromism Noun
- Photochromolithography Noun
- Photochromy Noun Adj
- Photochronograph Noun
- Photochronometry Noun
- Photoclinometer Noun Adj
- Photoclinometry Noun
- Photocoagulation Noun Adj
- Photocoagulator Noun Adj
- Photocolorimeter Noun
- Photocolorimetry Noun
- Photocolposcopy Noun Adj
- Photocomposer Noun
- Photocomposing Noun Pres. Participle
- Photocomposition Noun
- Photocondensation Noun
- Photoconducting Pres. Participle Noun
- Photoconduction Noun Adj
- Photoconductivity Noun Adj
- Photoconductor Noun Adj
- Photoconverter Noun Adj
- Photocopier Noun Adj
- Photocopy Noun Verb Adj
- Photocopying Noun Pres. Participle
- Photocoupler Noun Adj
- Photocrosslinking Noun Pres. Participle Adj
- Photocurrent Noun Adj
- Photodecomposition Noun
- Photodegradation Noun Adj
- Photodermatitis Noun
- Photodermatosis Noun