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19-letter words containing h, e, l, i, o, p

  • philosophers' stone — a substance sought by alchemists that would be capable of transmuting baser metals into gold or silver and of prolonging life.
  • photoelectric meter — an exposure meter using a photocell for the measurement of light intensity.
  • photopolymerization — polymerization induced by light.
  • photovoltaic effect — the phenomenon in which the incidence of light or other electromagnetic radiation upon the junction of two dissimilar materials, as a metal and a semiconductor, induces the generation of an electromotive force.
  • phthalocyanine blue — a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.
  • pillars of hercules — the two promontories at the E end of the Strait of Gibraltar: the Rock of Gibraltar on the European side and the Jebel Musa on the African side; according to legend, formed by Hercules
  • pistol-handle knife — a table knife, especially of the 18th century, having a slightly curved handle resembling the grip of a flintlock pistol.
  • play footsie (with) — to touch feet or rub knees (with) in a caressing way, as under the table
  • police headquarters — building where police are stationed
  • political geography — the branch of human geography that deals with the relationship between political processes and spatial structures (regions, territories, etc)
  • polyphonic ringtone — (in mobile phones) a ringtone in which more than one musical note is played at the same time
  • priority scheduling — (operating system)   Processes scheduling in which the scheduler selects tasks to run based on their priority as opposed to, say, a simple round-robin. Priorities may be static or dynamic. Static priorities are assigned at the time of creation, while dynamic priorities are based on the processes' behaviour while in the system. For example, the scheduler may favour I/O-intensive tasks so that expensive requests can be issued as early as possible. A danger of priority scheduling is starvation, in which processes with lower priorities are not given the opportunity to run. In order to avoid starvation, in preemptive scheduling, the priority of a process is gradually reduced while it is running. Eventually, the priority of the running process will no longer be the highest, and the next process will start running. This method is called aging.
  • professional school — a postgraduate school or college which trains students for a particular profession
  • pseudo-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
  • pseudo-hieroglyphic — noting or pertaining to a script dating from the second millennium b.c. that appears to be syllabic and to represent the Phoenician language and that is inscribed on objects found at Byblos.
  • pseudopsychological — of or relating to psychology.
  • psychoendocrinology — the study of the relationship between the endocrine system and various symptoms or types of mental illness.
  • psychological novel — a novel that focuses on the complex mental and emotional lives of its characters and explores the various levels of mental activity.
  • psychotechnological — of or relating to psychotechnology
  • puerperal psychosis — a mental disorder sometimes occurring in women after childbirth, characterized by deep depression, delusions of the child's death, and homicidal feelings towards the child
  • pull in one's horns — one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep, goats, or antelopes.
  • pyorrhea alveolaris — a chronic periodontitis of the gums and tooth sockets, characterized by the formation of pus and, usually, by loosening of the teeth
  • pyorrhea-alveolaris — Pathology. a discharge of pus.
  • radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
  • reciprocal exchange — an unincorporated association formed so that its members can participate in reciprocal insurance.
  • reflux oesophagitis — inflammation of the gullet caused by regurgitation of stomach acids, producing heartburn: may be associated with a hiatus hernia
  • research fellowship — the position or office of someone who conducts academic research into a subject at a university, etc
  • resorcinolphthalein — fluorescein.
  • satellite telephone — a type of mobile phone that connects to orbiting artificial satellites rather than terrestrial cell sites
  • sb's spiritual home — your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there
  • sharp-focus realism — photorealism.
  • sharp-tailed grouse — a grouse, Pedioecetes phasianellus, of prairies and open forests of western North America, similar in size to the prairie chicken but with a more pointed tail.
  • shopping facilities — shops or other retail services
  • simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
  • sleepy hollow chair — an armchair of the mid-19th century, sometimes on rockers, having a single piece forming a high upholstered back and a concave upholstered seat.
  • sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
  • sodium thiosulphate — a white soluble substance used, in the pentahydrate form, in photography as a fixer to dissolve unchanged silver halides and also to remove excess chlorine from chlorinated water. Formula: Na2S2O3
  • solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
  • spaghetti bolognese — Italian dish of pasta and tomato sauce
  • sphere of influence — any area in which one nation wields dominant power over another or others.
  • spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
  • spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
  • squamous epithelium — epithelium consisting of one or more layers of scalelike cells.
  • stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.
  • teacher-pupil ratio — the number of teachers relative to the number of pupils in a particular school
  • teaching fellowship — a fellowship providing a student in a graduate school with free tuition and expenses and stipulating that the student assume some teaching duties in return.
  • telephone directory — a book, directory, or the like, usually containing an alphabetical list of telephone subscribers in a city or other area, together with their addresses and telephone numbers.
  • the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
  • the little corporal — a nickname of Napoleon Bonaparte
  • the provisional ira — the unofficial faction of the IRA that became increasingly dominant following a split in 1969. The Provisional movement remained committed to a policy of terrorism until its ceasefires of the mid-1990s
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