myograph [myo, muscle + graph, recording] An instrument for graphically recording muscular contractions and relaxations. (MEYE uh graf')

mythography [myth & -graphy, uniting] 1.An anthology of myths. See mythology (def. 2). 2.The use of mythical subjects and ideas in art. (rnih THOG ruh fee)

nomography [nomo, law + -graphy, science] The art of drafting laws. See nomology (def. 1). (noh MOG ruh fee)

nosography [noso, disea~e + -graphy, writing] The systematic description and classification of diseases. (noh SOG ruh fee)

oceanography [ocean & -graphy, science] The scientific study of all aspects of the oceans. (oh'shuh NOG ruh fee)

odograph [Grk > hodosJourney + graph, recording] A device for measuring and recording distance traveled. See pedometer and odometer. (OHD uh graf')

organography [organ & -graphy, science] The descriptive study of plant and animal organs. See organology. (or' guh NOG ruh fee)

orography [oro, mountain + -graphy, science] The branch of geography dealing with the descriptive study of mountains. See orology. (aw ROG ruh fee)

orthography [ortho, correct+ -graphy, writing] 1.Correct spelling according to established and accepted rules. See cacography (def. 2). 2.The study of spelling. (or THOG ruh fee)

oscillograph [oscill(ation)& graph, recording] An instrument for measuring, displaying, and recording electrical oscillations such as alternating current or voltage. See oscilloscope. (uh SIL uh graf')

paleogeography [paleo, ancient + geo, earth + -graphy, science] The scientific study of the geographic features of the earth as they existed in ancient times. (pay' lee oh'jee OG ruh fee)

paleography [paleo, ancient + -graphy, writing] The scientific study of ancient forms of writing. (pay' lee OG ruh fee)

paleontography [pale, ancient+ onto, organism+ -graphy, writing] The descriptive study of plant and animal fossils. See paleontology. (pay'lee on TOG ruh fee)

pantograph [panto, all + graph, drawing] An instrument for producing a map or drawing on any scale. (PANT uh graf')

paragraph [para-, beside + graph, writing] A distinct portion of a written document dealing with a specific point that is indented and begins a new line and is used to organize the author's thoughts and ideas and to make the document more readable. (PEHR uh graf')

petrography [petro, rock + -graphy, writing] The descriptive study of the classification and composition of rocks. See petrology. (puh TROG ruh fee)

phonocardiograph [phono, sound + cardio, heart + graph, recording] An instrument for graphically recording the sounds of the heartbeat. (fohl nuh KAHR dee uh graf')

phonograph [phono, sound + graph, recording] A device for reproducing prerecorded sound from a disk that is commonly referred to as a record. (FOH nuh graf')

phonography [phono, sound + -graphy, written] A system of speech transcription based on pronunciation. (fuh NOG ruh fee)

photography [photo, light + -graphy, recording] The process of recording images by the exposure of sensitized surfaces to light or other forms of radiant energy. (fuh TOG ruh fee)

photolithography [photo(graph) & litho, stone + -graphy, recording]A lithographic printing process that uses plates prepared from a photograph. See lithography. (foht' oh lith 0 G ruh fee)

photomicrograph [photo, light + micro, small + graph, recording] A photograph of an image taken through a microscope. See micrograph (def. 2) and microphotograph. (foht'oh MEYE kruh graf')

photozincography [photo, light & zinc & -graphy, recording] Photoengraving on sensitized zinc plates. (foht' oh zing KOG ruh fee)

physiography [physio, physical+ -graphy,writing] The descriptive study of the natural physical features of a celestial body. Physical geography. (fiz'ee OG ruh fee)

phytogeography [phyto, plant+ geo, earth+ -graphy, science] The branch of biology dealing with the study of the geographical distribution of plants. See biogeography and zoogeography. (feyet'oh jee OG ruh fee)

phytography [phyto,plant+-graphy, writing] The descriptive study of plants. Descriptive botany. See phytology and zoography. (feye TOG ruh fee)

pictograph [Ltn > pictus, to paint+ graph, writing] 1.A picture that represents a word, object, or idea. 2.A prehistoric drawing, as a cave drawing. (PIK tuh graf')

planography [plano,flat + -graphy, recording] Any printing process done from a plane surface, as lithography. See lithography. (pluh NOG ruh fee)

plethysmograph [Grk > plethos, quantity + graph, recording] An instrument for measuring and recording variations in various body functions, as the velocity or volume of blood flow, heart rate, respiratory rate, etc. (pluh TIM muh graf')

pneumograph [pneumo, breathing + graph, recording] An instrument for measuring and recording chest movements resulting from respiration. See spirograph. (NOO muh graf')

polygraph [poly, many + graph, recording] An instrument for simultaneously recording changes in various body functions, as respiration, heart rate, blood pressure, etc. Lie detector. (POL ee graf')

pornography [Grk > porne, prostitute+ -graphy, writing] Writings and pictures intended primarily to arouse sexual excitement. (por NOG ruh fee)

pseudepigraphy [pseudfalse + epi, upon + -graphy, writing] 1.The false attribution of a novel, poem, etc., to a certain writer. 2.Spurious religious writings professing to be ascribed to Biblical characters. (sood' ih PIG ruh fee)

psychobiography [psycho, mind & biography] A biography that psychoanalyzes the subject. (seye' koh beye OG ruh fee)

psychograph [psycho, mind + graph, uniting] A chart for graphically recording an individual's personality traits. (SEYE kuh graf ')

pyrography [pyro, heat + -graphy, drawing] The art of making designs with a heated tool, as on wood. (peye ROG ruh fee)

radiograph [radio, radiation + graph, recording] An image created on a sensitized surface by x-rays. (RAY dee oh graf')