In this article, you’ll find a comprehensive list of words that start with “photo” to enhance your vocabulary.
- Photograph- A picture made using a camera.
- Photography- The art or practice of taking and processing photographs.
- Photosynthesis- The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
- Photosensitive- Sensitive to the action of light.
- Photosensitivity- The condition of being sensitive to light.
- Photoelectric- Pertaining to the electric effects produced by light.
- Photovoltaic- Relating to the conversion of light into electricity.
- Photometer- An instrument for measuring the intensity of light.
- Photometry- The science of measuring visible light in terms of its perceived brightness to the human eye.
- Photomultiplier- An exceptionally sensitive detector of light in the ultraviolet, visible, and near-infrared ranges.
- Photochromic- Capable of undergoing a reversible change in color upon exposure to light.
- Photogenic- Looking attractive in photographs or on film.
- Photocopier- A machine for making photocopies.
- Photocopy- A copy of a printed or written material made using a photocopier.
- Photodiode- A semiconductor device that converts light into an electrical current.
- Photolithography- A process used in microfabrication to pattern parts of a thin film or the bulk of a substrate.
- Photomicrograph- A photograph of a microscopic object.
- Photofinishing- The processing of film into finished photographs.
- Photoplay- An early term for a motion picture.
- Photoflash- A lamp for providing illumination during photography.
- Photostat- A type of machine that makes copies of documents.
- Photoreceptor- A cell or device that responds to light.
- Photogrammetry- The science of making measurements from photographs.
- Phototropism- The orientation of a plant or other organism in response to light.
- Photoset- To set or compose (a document, text, etc.) for printing by means of a photocomposition process.
- Photosetter- A machine that performs photocomposition.
- Photobiology- The study of the effects of light on living organisms.
- Photochemical- Pertaining to chemical reactions caused by light.
- Photochemistry- The branch of chemistry concerned with the interactions of light and matter.
- Photochromism- The effect that causes a material to change color when exposed to light.
- Photocathode- The electrode in a photosensitive device that emits electrons when exposed to light.
- Photocell- A device that generates electrical energy when exposed to light.
- Photocurrent- The electric current induced by light in a photoconductive or photoelectric device.
- Photodetector- A device capable of detecting and responding to light.
- Photoemission- The emission of electrons or other free carriers from a material caused by absorbing photons.
- Photoshoot- A session in which a photographer takes pictures of someone or something.
- Photomap- A map created from photographs, typically aerial photographs.
- Photomosaic- An image made up of many smaller photographs.
- Photomontage- A montage constructed from photographic images.
- Phototoxic- Toxic or harmful when exposed to light.
- Phototype- An original photograph used for reproductions.
- Phototypesetter- A machine that uses a photographic process to set or compose text.
- Photoframe- A frame for displaying a photograph.
- Photohistory- The history of photography and its development.
- Photodisintegration- The disintegration of a nucleus by the absorption of a photon.
- Photoflood- An artificial light source for photographic purposes.
- Photogeology- The study of geology using aerial photographs.
- Photopigment- A pigment in photoreceptor cells that undergoes a chemical change when it absorbs light.
- Photoprotection- Mechanisms that protect organisms from damage caused by sunlight.
- Photojournalism- The collection, editing, and presentation of news material for publication or broadcast.
- Photojournalist- A journalist who uses photographs to tell a news story.
- Photorealism- A genre of art in which paintings or drawings are made to resemble high-resolution photographs.
- Photoreduction- A chemical reaction caused by light that results in the reduction of a substance.
- Photorefraction- The change in direction of light as it passes through different media.
- Photomap- A map created using photographic techniques, especially aerial photography.
- Phototelescope- A type of telescope designed to capture photographic images of celestial objects.
- Photodetector- A device capable of detecting and responding to light.
- Photoconductor- A material whose electrical conductivity increases when exposed to light.
- Photovoltaics- The branch of technology concerned with the production of electric currents at the junction of two substances exposed to light.
- Photoaging- The premature aging of the skin caused by repeated exposure to ultraviolet radiation.
- Photodermatitis- An inflammation of the skin resulting from exposure to light, especially ultraviolet light.
- Photodynamism- Referring to the dynamic interaction between light and biological tissues.
- Photooxidation- The oxidation of a substance caused by exposure to light.
- Photopolarimeter- An instrument used to measure light polarization.
- Photopolymer- A polymer that changes properties when exposed to light.
- Photopolymerization- The process of polymer formation through the action of light.
- Photoquadrat- A photographic method used in environmental studies to assess an area.
- Photorefractive- Referring to the change in the refractive index of a material in response to exposure to light.
- Photoresist- A light-sensitive material used in photolithography to form patterned coatings.
- Photorealistic- Pertaining to art that aims to reproduce photographs in realistic detail.
- Photosculpture- The art or technique of creating sculptures using photographic techniques.
- Photoperiod- The period of time each day during which an organism is exposed to daylight.
- Photoperiodism- The response of an organism to the length of the photosynthetic period.
- Phototropism- The growth or movement of a plant in response to light.
- Photoelectron- An electron emitted from a substance as a result of absorption of light.
- Photogram- An image made by placing objects directly onto the surface of a photosensitive material and then exposing it to light.
- Photooxidation- A process in which light energy induces the oxidation of a substance.
- Photobleaching- The loss of color by a pigment or dye when exposed to light.
- Photopolymer- A polymer that changes its properties when exposed to light.
- Photopolymerization- The process of creating polymers using light.
- Photopainting- Creating art using photographic techniques and images.
- Photosports- Photography specializing in capturing sports events and athletes.
- Photobotanist- A scientist who studies plants using photography.
- Photovoice- A participatory research method involving photography to express collective issues.
- Photoarchivist- A person who manages and preserves photographic archives.
- Photomessenger- An early term for a photograph used to convey a message.
- Photodocument- A photograph serving as a document or evidence.
- Photomania- Excessive or obsessive interest in taking photographs.
- Phototimer- A device used to control the exposure time in photography.
- Photodrama- A dramatic work that incorporates photographic elements.
- Photocard- A card containing a photograph, commonly used for identification.
- Photoenhancement- Techniques used to improve or enhance photographic images.
- Photoionization- The process by which an atom or molecule acquires a positive or negative charge by gaining or losing electrons when exposed to light.
- Photomedicine- A medical field that involves the therapeutic use of light.
- Phototherapy- The use of light in the treatment of certain medical conditions.
- Photodegradation- The breakdown of molecules caused by exposure to light.
- Phototoxicity- Toxicity that is caused or enhanced by exposure to light.