# photo-
## English
### Alternative forms

* phot- (prevocalic)

### Etymology

From the combining form φωτω- (phōtō-) of Ancient Greek φῶς (phôs, “light”).

### Prefix

photo-
* light, electromagnetic radiation
* photography

#### Derived terms

* photo
* photoabsorption
* photoacoustic
* photoacoustics
* photoactive
* photoaddition
* photoaffinity
* photoaging
* photoalidade
* photoallergy
* photoautotroph
* photoautotrophic
* photobiology
* photobiont
* photobiotic
* photobleach
* photocatalysis
* photocatalyst
* photocathode
* photocell
* photochemical
* photochemistry
* photochromic
* photochromism
* photoclinometer
* photoclinometry
* photocoagulation
* photocoagulator
* photocompose
* photocomposition
* photoconduction
* photoconductive
* photoconductivity
* photoconductor
* photocopier
* photocopy
* photocoupler
* photocurrent
* photodarlington
* photodecomposition
* photodegradable
* photodegradation
* photodetachment
* photodetector
* photodevice
* photodichroic
* photodiffusion
* photodimerization
* photodiode
* photodisintegration
* photodissociation
* photodosimetry
* photodraft
* photodrama
* photoduplicate
* photodynamic
* photodynamics
* photo echo
* photoecology
* photoelastic
* photoelasticity
* photoelectret
* photoelectric
* photoelectrolysis
* photoelectromagnetic
* photoelectromotive
* photoelectron
* photoemission
* photoemissive
* photoemissivity
* photoemitter
* photoengrave
* photoengraving
* photoenlarger
* photo essay
* photofabrication
* photoferroelectric
* photofinishing
* photo finishing
* photofission
* photoflash
* photoflood
* photofluorogram
* photofluorography
* photog
* photogelatin
* photogene
* photogenic
* photogeologic
* photogeology
* photogeomorphology
* photoglow
* photoglycine
* photogoniometer
* photogram
* photogrammetry
* photograph
* photographic
* photography
* photogravure
* photoheliograph
* photohomolysis
* photoinhibition
* photoinitiated
* photoinitiator
* photointerpretation
* photoionization
* photoisolator
* photoisomer
* photojournalism
* photojunction
* photokinesis
* photolithograph
* photolithography
* photology
* photoluminescence
* photolysis
* photomacrography
* photomagnetic
* photomagnetoelectric
* photomap
* photomask
* photomechanical
* photomechanochemistry
* photometer
* photometric
* photometry
* photomicrograph
* photomicrography
* photomicroscope
* photomontage
* photomorphogenesis
* photomosaic
* photomultiplier
* photomural
* photomutagenic
* photon
* photonegative
* photonephelometer
* photoneutrino
* photoneutron
* photonic
* photonics
* photonuclear
* photo-offset
* photooxidation
* photooxygenation
* photoperiod
* photoperiodism
* photophilic
* photophobia
* photophobic
* photophore
* photophoresis
* photophosphorylase
* photophosphorylation
* photophygous
* photopia
* photopic
* photopigment
* photoplay
* photopolymer
* photopositive
* photoproduct
* photoproton
* photoreaction
* photoreactivation
* photoreactive
* photo-realism
* photoreception
* photoreceptor
* photoreconnaissance
* photoreduction
* photorefractive
* photorelief
* photoresist
* photoresistive
* photoresistor
* photorespiration
* photoreversal
* photoscanner
* photosensitive
* photosensitivity
* photosensitization
* photosensitize
* photosensitizer
* photosensor
* photoset
* photosphere
* photospheric
* photostabilize
* photostat
* photostriction
* photosynthate
* photosynthesis
* photosynthesize
* photosystem
* phototaxis
* phototelegraphy
* phototheodolite
* phototherapy
* photothermoelasticity
* photothyristor
* phototonus
* phototopography
* phototoxic
* phototransistor
* phototriangulation
* phototronic
* phototroph
* phototrophic
* phototropism
* phototropy
* phototube
* phototype
* phototypesetter
* phototypesetting
* phototypography
* photovaristor
* photoviscoelasticity
* photovisual
* photovoltaic
* photoxylography

#### References

* “photo-”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.

### Anagrams

* top ho

## French
### Etymology

Borrowed from Ancient Greek φωτός (phōtós).

### Pronunciation

* IPA: /fɔ.to/

### Prefix

photo-
* (relational) light; photo-
* (relational) photography; photo-

#### Derived terms

* photo
* photo-identification
* photo-interprétation
* photo-interprète
* photoablation
* photoautotrophe
* photoblanchiment
* photoblog, photoblogue
* photocatalyse
* photocellule
* photocentre
* photochimie
* photochimique
* photochromique
* photocomposeuse
* photocomposition
* photoconducteur
* photoconductivité
* photocopie
* photocopié
* photocopier
* photocopieur
* photocopieuse
* photocopillage
* photodétecteur
* photodiode
* photoélasticimétrie, photo-élasticimétrie
* photoélectrique, photo-électrique
* photogène
* photogénie
* photogénique
* photoglyptie
* photogramme
* photogrammétrie
* photographe
* photographie
* photographier
* photographique
* photographiquement
* photograveur
* photogravure
* photohétérotrophe
* photojournalisme
* photojournaliste
* photokératite
* photolithographie
* photolithographier
* photoluminescence
* photolyase
* photolyse
* photomacrographie
* photomaton
* photomécanique
* photomètre
* photométrie
* photométrique
* photomicrographie
* photomontage
* photomosaïque
* photomultiplicateur
* photon
* photonique
* photopériodisme
* photophile
* photophobe
* photophobie
* photophore
* photopile
* photoplan
* photoprotection
* photoréalisme
* photoréaliste
* photorécepteur
* photoréfractif
* photoréfractivité
* photorésist
* photorésistance
* photorespiration
* photoroman, photo-roman
* photosensibilisateur
* photosensibilité
* photosensible
* photosphère
* photosphérique
* photostat
* photostéréosynthèse
* photostyle
* photosynthèse
* photosynthétique
* photosystème
* phototactisme
* phototaxisme
* photothèque
* photothérapie
* phototrophe
* phototrophie
* phototropine
* phototropisme
* phototype
* phototypie
* phototypographique
* photovoile
* photovoltaïque
* photozincographie