19-letter words containing p, i, l, o, n
- oxidation potential — (in a galvanic cell) the potential of the electrode at which oxidation occurs.
- palaeoethnobotanist — someone who studies fossil seeds and grains to further archaeological knowledge, esp of the domestication of cereals
- paleoanthropologist — the study of the origins and predecessors of the present human species, using fossils and other remains.
- paradichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
- parallel processing — extending in the same direction, equidistant at all points, and never converging or diverging: parallel rows of trees.
- parallel projection — a projection from one plane to a second plane in which the lines joining points on the first plane and corresponding images are parallel.
- parthenogenetically — development of an egg without fertilization.
- particle separation — a rule that moves the particle of a phrasal verb, thus deriving a sentence like He looked the answer up from a structure that also underlies He looked up the answer
- particle technology — Particle technology is knowledge and study which relates to particles, and is used in industry.
- particular solution — a solution of a differential equation containing no arbitrary constants.
- pass someone's lips — to be eaten or drunk by someone
- pastoral counseling — the use of psychotherapeutic techniques by trained members of the clergy to assist parishioners who seek help for personal or emotional problems.
- percussion drilling — Percussion drilling is a drilling method which involves lifting and dropping heavy tools to break rock, and uses steel casing tubes to stop the borehole from collapsing.
- periodontal disease — any of various mixed bacterial infections that affect the soft tissues and bones supporting the teeth.
- peritoneal dialysis — a form of dialysis in which the peritoneum is used as an autogenous semipermeable membrane
- perpetual adoration — uninterrupted adoration of the Blessed Sacrament.
- perpetual inventory — a form of stock control in which running records are kept of all acquisitions and disposals
- persecution complex — an acute irrational fear that other people are plotting one's downfall and that they are responsible for one's failures
- personal belongings — possessions; things that belong to someone
- personal stationery — headed notepaper
- phacoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phakoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phenylpropanolamine — a substance, C 9 H 1 3 NO, related to ephedrine and amphetamine, available in various popular nonprescription diet aids as an appetite suppressant.
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- philippine mahogany — any of several Philippine trees of the genus Shorea and related genera, having brown or reddish wood used as lumber and in cabinetry.
- philosopher's stone — a substance sought by alchemists that would be capable of transmuting baser metals into gold or silver and of prolonging life.
- philosophers' stone — a substance sought by alchemists that would be capable of transmuting baser metals into gold or silver and of prolonging life.
- photopolymerization — polymerization induced by light.
- phthalocyanine blue — a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.
- pistol-handle knife — a table knife, especially of the 18th century, having a slightly curved handle resembling the grip of a flintlock pistol.
- planning permission — In Britain, planning permission is official permission that you must get from the local authority before building something new or adding something to an existing building.
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- point of inflection — inflection point.
- pointe-aux-trembles — a city in S Quebec, in E Canada, N of Montreal, on the St. Lawrence.
- police intervention — the physical involvement of police officers in an incident, esp where officers use force to control public disorder, such as a riot
- political scientist — A political scientist is someone who studies, writes, or lectures about political science.
- political-scientist — a social science dealing with political institutions and with the principles and conduct of government.
- polyclonal antibody — a mixture of antibodies of different specificities, as in the serum of a person immunized to various antigens.
- polyphonic ringtone — (in mobile phones) a ringtone in which more than one musical note is played at the same time
- popular sovereignty — the doctrine that sovereign power is vested in the people and that those chosen to govern, as trustees of such power, must exercise it in conformity with the general will.
- population genetics — the branch of genetics concerned with the hereditary makeup of populations.
- population pressure — the force exerted by a growing population upon its environment, resulting in dispersal or reduction of the population.
- port jackson willow — an Australian acacia tree, Acacia cyanophylla, introduced in the 19th century into South Africa, where it is now regarded as a pest
- positional notation — a type of numeration in which the position of a digit affects its value.
- post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
- post-polio syndrome — Pathology. muscle weakness occurring several decades after recovery from a polio infection, caused by fatiguing of collateral nerve axons developed during physical rehabilitation.
- postal savings bank — any of the savings banks formerly operated by local post offices and limited to small accounts.
- posttranscriptional — Genetics, Biochemistry. occurring after the formation of RNA from DNA but before the RNA strand leaves the nucleus.
- preferential voting — a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
- preproduction model — a prototype of a product before the product goes into full-scale production