12-letter words starting with ph
- phonasthenia — difficult or abnormal voice production; vocal weakness.
- phone number — of individual, business
- phone phreak — a person who uses computers or other electronic devices to place long-distance telephone calls without paying toll charges.
- phonemically — of or relating to phonemes: a phonemic system.
- phonesthemic — (of a speech sound) shared by a set of echoic or symbolic words, as the sn- of sneer, snarl, snatch, snide, snitch, snoop, etc.
- phonetic law — a statement of some regular pattern of sound change in a specific language, as Grimm's law or Verner's law.
- phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
- phonocamptic — possessing the property of reflecting sound or producing an echo
- phonographic — of, relating to, or characteristic of a phonograph.
- phonological — relating to study of speech sounds
- phonotactics — the patterns in which the phonemes of a language may combine to form sequences.
- phosphamidon — a systemic and contact insecticide, C 1 0 H 1 9 ClNO 5 P, used against beetles, aphids, mites, and other crop pests.
- phosphatidic — of or relating to a phosphatide
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- phosphaturia — the presence of an excessive quantity of phosphates in the urine.
- phospholipid — any of a group of fatty compounds, as lecithin, composed of phosphoric esters, and occurring in living cells.
- phosphoresce — to be luminous without sensible heat, as phosphorus.
- phosphoreted — phosphureted.
- phosphoruses — Phosphor.
- phosphureted — combined with phosphorus, especially in its lowest valence state.
- photo finish — a finish of a race in which two or more contestants are so close to the finish line that reference to a photograph of the finish is necessary to determine the winner.
- photo layout — a picture spread. See under spread (def 33).
- photo relief — a method of showing the configuration of the relief of an area by photographing a model of it that is illuminated by a lamp in the northwest corner
- photo spread — a picture spread. See under spread (def 33).
- photo-ageing — premature wrinkling of the skin caused by overexposure to sunlight
- photo-finish — If the end of a race is a photo-finish, two or more of the competitors cross the finishing line so close together that a photograph of the finish has to be examined to decide who has won.
- photo-offset — a method of printing, based on photolithography, in which the inked image is transferred from the metal plate to a rubber surface and then to the paper.
- photo-stated — a camera for making facsimile copies of documents, drawings, etc., in the form of paper negatives on which the positions of lines, objects, etc., in the originals are maintained.
- photoactinic — emitting radiation having the chemical effects of light and ultraviolet rays, as on a photographic film.
- photoanalyst — a person who analyzes and interprets photographs, especially a military specialist in aerial or satellite photography.
- photobiology — the study of the effects of light on biological systems.
- photocathode — a cathode, typically of a cesium or sodium compound, having the property of emitting electrons when activated by light or other radiation.
- photochromic — (of chemically treated glass or plastic) capable of darkening or changing color when exposed to light.
- photocompose — to set (type) on a photocomposer.
- photocurrent — an electric current produced by a photoelectric effect.
- photodynamic — the science dealing with light and its effects on living organisms.
- photoelastic — displaying photoelasticity; of or relating to photoelasticity
- photoengrave — to make a photoengraving of.
- photoexcited — increased in energy due to photoexcitation
- photofission — nuclear fission induced by the absorption of a high-energy photon.
- photogelatin — pertaining to any photographic process in which gelatin is used to receive or transfer a print.
- photogeology — the technique of interpreting geology from aerial photographs or compiling geologic maps therefrom.
- photoglyphic — of or relating to photoglyphy
- photographer — a person who takes photographs, especially one who practices photography professionally.
- photographic — of or relating to photography.
- photogravure — any of various processes, based on photography, by which an intaglio engraving is formed on a metal plate, from which ink reproductions are made.
- photoinduced — induced by light.
- photokinesis — movement occurring upon exposure to light.
- photolyzable — able to undergo photolysis
- photomachine — a machine that prints copies of digital photographs