Photo
Photo
Photo (/ˈfoʊtoʊ/; from the Greek words phos, meaning "light", and graphê, meaning "drawing, writing") is a term commonly used to refer to a photograph, an image created by light falling on a photosensitive surface, usually photographic film or an electronic image sensor.
Etymology
The term "photo" is derived from the Greek word phos, which means "light", and graphê, which means "drawing, writing". It was first used in the 19th century to describe the process of capturing images with light.
Related Terms
- Photography: The art, application, and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.
- Photographer: A person who makes photographs.
- Photosynthesis: The process by which green plants and some other organisms use sunlight to synthesize foods with the aid of chlorophyll pigments.
- Photocopy: A photographic copy of printed or written material produced by a process involving the action of light on a specially prepared surface.
- Photograph: An image created by light falling on a photosensitive surface, usually photographic film or an electronic image sensor.
- Photometer: An instrument for measuring light intensity or optical properties of solutions or surfaces.
- Photorealism: A genre of art that encompasses painting, drawing and other graphic media, in which an artist studies a photograph and then attempts to reproduce the image as realistically as possible in another medium.
- Phototherapy: Treatment of disease by exposure to light, especially by variously concentrated light rays or specific wavelengths.
See Also
External links
- Medical encyclopedia article on Photo
- Wikipedia's article - Photo
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