| paleoethnography | (noun) the ethnography of paleolithic humans | Synonyms: palaeoethnography |
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| paleogeography | (noun) the study of the geography of ancient times or ancient epochs | Synonyms: palaeogeography |
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| paleographer | (noun) an archeologist skilled in paleography | Synonyms: paleographist |
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| paleographist | (noun) an archeologist skilled in paleography | Synonyms: paleographer |
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| paleography | (noun) the study of ancient forms of writing (and the deciphering of them) | - |
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| pantograph | (noun) mechanical device used to copy a figure or plan on a different scale | - |
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| parabolograph | (noun) An outdated instrument for drawing parabolas. | - |
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| paragraph | (noun) one of several distinct subdivisions of a text intended to separate ideas; the beginning is usually marked by a new indented line | - |
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| paragrapher | (noun) a writer of paragraphs (as for publication on the editorial page of a newspaper) | - |
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| paraph | (noun) a flourish added after or under your signature (originally to protect against forgery) | - |
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| paraphernalia | (noun) equipment consisting of miscellaneous articles needed for a particular operation or sport etc. | Synonyms: appurtenance, gear |
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| paraphilia | (noun) abnormal sexual activity | - |
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| paraphrase | (noun) rewording for the purpose of clarification | Synonyms: paraphrasis |
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| paraphrasis | (noun) rewording for the purpose of clarification | Synonyms: paraphrase |
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| paraphrenia | (noun) a form of schizophrenia characterized by delusions (of persecution or grandeur or jealousy); symptoms may include anger and anxiety and aloofness and doubts about gender identity; unlike other types of schizophrenia the patients are usually presentable and (if delusions are not acted on) may function in an apparently normal manner | Synonyms: paranoic type schizophrenia, paranoid schizophrenia, paraphrenic schizophrenia |
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| paraphysis | (noun) a sterile simple or branched filament or hair borne among sporangia; may be pointed or clubbed | - |
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| pataphysics | (noun) a philosophy or media theory dedicated to studying what lies beyond the realm of metaphysics. | - |
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| phonograph | (noun) machine in which rotating records cause a stylus to vibrate and the vibrations are amplified acoustically or electronically | Synonyms: record player |
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| photograph | (noun) a representation of a person or scene in the form of a print or transparent slide or in digital format | Synonyms: exposure, photo, pic, picture |
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| photographer | (noun) someone who takes photographs professionally | Synonyms: lensman |
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| photography | (noun) the act of taking and printing photographs | Synonyms: picture taking |
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| (noun) the occupation of taking and printing photographs or making movies | - |
| (noun) the process of producing images of objects on photosensitive surfaces | - |
| photoheliograph | (noun) a telescope, with a camera attached, used to photograph the Sun. | - |
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| photolithograph | (noun) a lithograph produced by photographically produced plates | - |
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| photolithography | (noun) a planographic printing process using plates made from a photographic image | - |
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| photomicrograph | (noun) a photograph taken with the help of a microscope | - |
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| phototelegraph | (noun) an apparatus for transmitting pictures by phototelegraphy. | - |
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| phototelegraphy | (noun) an early technology for the transmission of facsimiles. | - |
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| physiography | (noun) the study of physical features of the earth's surface | Synonyms: physical geography |
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| pictograph | (noun) a graphic character used in picture writing | - |
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| planography | (noun) the process of printing from a surface on which the printing areas are not raised but are ink-receptive (as opposed to ink repellent) | Synonyms: planographic printing |
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| plasmapheresis | (noun) plasma is separated from whole blood and the rest is returned to the donor | - |
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| plethysmograph | (noun) a measuring instrument for measuring changes in volume of a part or organ or whole body (usually resulting from fluctuations in the amount of blood it contains) | - |
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| polarography | (noun) an electrochemical method of chemical analysis | - |
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| polygraph | (noun) a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration) | - |
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| pornographer | (noun) someone who presents shows or sells writing or pictures that are sexually explicit in violation of the community mores | Synonyms: porn merchant |
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| pornography | (noun) creative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire | Synonyms: erotica, porn, porno, smut |
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| pseudohermaphrodite | (noun) someone having external genitalia of one sex and internal sex organs of the other sex; not a true hermaphrodite because there is no ambiguity in the sex of the external genitalia and hence no question about gender at birth | - |
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| pseudohermaphroditism | (noun) congenital condition in which a person has external genitalia of one sex and internal sex organs of the other sex | - |
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| psychographics | (noun) market research or statistics classifying population groups according to psychological variables (as attitudes, values, or fears); also: variables or trends identified through such research. | - |
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| pyelography | (noun) roentgenography of the kidney and ureters (usually after injection with a radiopaque dye) | - |
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| pyrograph | (noun) a design produced by pyrography | - |
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| pyrographer | (noun) an artist who practices pyrography | - |
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| pyrography | (noun) the act of producing drawings on wood or leather by using heated tools or a fine flame | - |
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| quadraphony | (noun) a stereophonic sound recording or reproducing system using four separate channels | Synonyms: quadraphonic system, quadriphonic system |
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| radiograph | (noun) a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays) | Synonyms: radiogram, shadowgraph, skiagram, skiagraph |
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| radiographer | (noun) a person who makes radiographs | - |
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| radiography | (noun) photography that uses other kinds of radiation than visible light | - |
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| (noun) the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light | Synonyms: skiagraphy |
| radiophotograph | (noun) a photograph transmitted by radio waves | Synonyms: radiophoto |
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| radiophotography | (noun) transmission of photographs by radio waves | - |
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| radiotelegraph | (noun) the use of radio to send telegraphic messages (usually by Morse code) | Synonyms: radiotelegraphy, wireless telegraph, wireless telegraphy |
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| (noun) telegraphy that uses transmission by radio rather than by wire | Synonyms: radiotelegraphy, wireless telegraphy |
| radiotelegraphy | (noun) the use of radio to send telegraphic messages (usually by Morse code) | Synonyms: radiotelegraph, wireless telegraph, wireless telegraphy |
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| (noun) telegraphy that uses transmission by radio rather than by wire | Synonyms: radiotelegraph, wireless telegraphy |
| raphe | (noun) a ridge that forms a seam between two parts | Synonyms: rhaphe |
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| raphia | (noun) leaf fibers of the raffia palm tree; used to make baskets and mats etc. | Synonyms: raffia |
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| rhaphe | (noun) a ridge that forms a seam between two parts | Synonyms: raphe |
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| roentgenography | (noun) radiography that uses X-rays to produce a roentgenogram | Synonyms: X-ray photography |
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| saphead | (noun) a person who lacks good judgment | Synonyms: fool, muggins, sap, tomfool |
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| scaphocephaly | (noun) congenital malformation of the skull which is long and narrow; frequently accompanied by mental retardation | - |
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| scaphopod | (noun) burrowing marine mollusk | - |
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| scintigraph | (noun) The apparatus used to make a scintigram. | Synonyms: scintiscanner |
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| scrapheap | (noun) pile of discarded metal | - |
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| (noun) an accumulation of refuse and discarded matter | Synonyms: garbage heap, junk heap, junk pile, refuse heap, rubbish heap, trash heap, trash pile |
| seismograph | (noun) a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake) | - |
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| seismography | (noun) the measurement of tremors and shocks and undulatory movements of earthquakes | - |
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| semaphore | (noun) an apparatus for visual signaling with lights or mechanically moving arms | - |
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| seraph | (noun) an angel of the first order; usually portrayed as the winged head of a child | - |
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| serigraph | (noun) a print made using a stencil process in which an image or design is superimposed on a very fine mesh screen and printing ink is squeegeed onto the printing surface through the area of the screen that is not covered by the stencil | Synonyms: silk screen print, silkscreen |
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| serigraphy | (noun) the act of making a print by the silkscreen method | - |
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| shadowgraph | (noun) a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays) | Synonyms: radiogram, radiograph, skiagram, skiagraph |
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| skiagraph | (noun) a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays) | Synonyms: radiogram, radiograph, shadowgraph, skiagram |
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| skiagraphy | (noun) the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light | Synonyms: radiography |
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| sonograph | (noun) an instrument that uses the differential transmission and reflection of ultrasonic waves in order to provide an image of a bodily organ | - |
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| sonography | (noun) using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs | Synonyms: echography, ultrasonography, ultrasound |
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| sousaphone | (noun) the lowest brass wind instrument | Synonyms: bass horn, tuba |
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| spectrograph | (noun) a spectroscope by which spectra can be photographed | - |
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| (noun) a photographic record of a spectrum | Synonyms: spectrogram |
| spirograph | (noun) a measuring instrument for recording the depth and rapidity of breathing movements | - |
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| staph | (noun) spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections | Synonyms: staphylococci, staphylococcus |
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| staphylococci | (noun) spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections | Synonyms: staph, staphylococcus |
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| staphylococcus | (noun) spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections | Synonyms: staph, staphylococci |
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| steganography | (noun) act of writing in code or cipher | Synonyms: coding, cryptography, secret writing |
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| stenograph | (noun) a machine for typewriting shorthand characters | - |
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| (noun) a shorthand character | - |
| stenographer | (noun) someone skilled in the transcription of speech (especially dictation) | Synonyms: amanuensis, shorthand typist |
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| stenography | (noun) the act or art of writing in shorthand | - |
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| (noun) a method of writing rapidly using an abbreviated symbolic system | Synonyms: shorthand, tachygraphy |
| stereophotography | (noun) photography producing images that appear to have depth and solidness and that are created by using a special device (called a stereoscope) to look at two slightly different photographs of something at the same time. | Synonyms: stereo photography, stereoscopic photography |
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| straphanger | (noun) a standing subway or bus passenger who grips a hanging strap for support | - |
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| (noun) a commuter who uses public transportation | - |
| stratigraphy | (noun) the branch of geology that studies the arrangement and succession of strata | - |
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| tachograph | (noun) a tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle | - |
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| tachygraphy | (noun) a method of writing rapidly using an abbreviated symbolic system | Synonyms: shorthand, stenography |
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| taphephobia | (noun) a morbid fear of being buried alive | - |
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| taphouse | (noun) tavern consisting of a building with a bar and public rooms; often provides light meals | Synonyms: gin mill, pothouse, pub, public house, saloon |
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| telegraph | (noun) apparatus used to communicate at a distance over a wire (usually in Morse code) | Synonyms: telegraphy |
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| telegrapher | (noun) someone who transmits messages by telegraph | Synonyms: telegraph operator, telegraphist |
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| telegraphese | (noun) language characterized by terseness and ellipsis as in telegrams | - |
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| telegraphist | (noun) someone who transmits messages by telegraph | Synonyms: telegraph operator, telegrapher |
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| telegraphy | (noun) apparatus used to communicate at a distance over a wire (usually in Morse code) | Synonyms: telegraph |
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| (noun) communicating at a distance by electric transmission over wire | - |
| telephotograph | (noun) a photograph made with a telephoto lens | Synonyms: telephoto |
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| (noun) a photograph transmitted and reproduced over a distance | - |
| telephotography | (noun) photography using a telephoto lens | - |
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| (noun) transmission and reproduction of photographs and charts and pictures over a distance | - |
| thermograph | (noun) a thermometer that records temperature variations on a graph as a function of time | Synonyms: thermometrograph |
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| (noun) medical instrument that uses an infrared camera to reveal temperature variations on the surface of the body | - |
| thermography | (noun) diagnostic technique using a thermograph to record the heat produced by different parts of the body; used to study blood flow and to detect tumors | - |
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| thermometrograph | (noun) a thermometer that records temperature variations on a graph as a function of time | Synonyms: thermograph |
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| tomograph | (noun) X-ray machine in which a computer builds a detailed image of a particular plane through an object from multiple X-ray measurements | - |
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| tomography | (noun) (medicine) obtaining pictures of the interior of the body | Synonyms: imaging |
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