19-letter words containing o, r, p, h, a
- lupus erythematosus — any of several autoimmune diseases, especially systemic lupus erythematosus, characterized by red, scaly skin patches.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lymphoproliferative — Characterized by lymphoproliferation.
- magnetic north pole — the point on Earth to where a compass needle points, and which is situated near the geographic North Pole. However, with time, the exact location can vary.
- mayor of the palace — one of a line of hereditary administrative lieutenants to the Merovingian kings who eventually took over royal function and title in the Frankish kingdoms; a palatine.
- metaphosphoric acid — an acid, HPO 3 , derived from phosphorous pentoxide, and containing the smallest amount of water of the phosphoric acids.
- metatarsophalangeal — (anatomy) Relating to the metatarsus and phalange.
- military pentathlon — an athletic contest comprising five different events, a 300-meter freestyle swim, a 4000-meter cross-country run, a 5000-meter equestrian steeplechase, épée fencing, and pistol target-shooting at 25 meters, the winner being the contestant with the highest total score.
- molar heat capacity — the heat capacity of one mole of a substance.
- mother-in-law plant — a West Indian foliage plant, Dieffenbachia seguine, of the arum family, having yellow-blotched leaves that cause temporary speechlessness when chewed.
- mucopolysaccharides — Plural form of mucopolysaccharide.
- multiplexor channel — (MPX) mainframe terminology for a slow peripheral device connection, e.g. for a printer, operator console, or card reader.
- nail polish remover — solvent for removing nail polish
- napierian logarithm — natural logarithm.
- natural catastrophe — A natural catastrophe is an unexpected event, caused by nature, such as an earthquake or flood, in which there is a lot of suffering, damage, or death.
- neuropathologically — In a neuropathologic way.
- neuropsychodynamics — The theoretical synthesis of neuroscience and psychodynamics.
- nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
- north new hyde park — a town on W Long Island, in SE New York.
- north pacific ocean — the northern part of the Pacific Ocean, extending from the equator to the Arctic Ocean.
- not worth a crumpet — utterly worthless
- occupational hazard — a danger or hazard to workers that is inherent in a particular occupation: Silicosis is an occupational hazard of miners.
- old english pattern — a spoon pattern having a stem curving backward at the end.
- open-hearth furnace — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
- open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
- operations research — the analysis, usually involving mathematical treatment, of a process, problem, or operation to determine its purpose and effectiveness and to gain maximum efficiency.
- orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
- orthopaedic surgery — surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
- overhead projection — the projection (using an overhead projector) of an enlarged image of a transparency onto a surface above and behind the person using it
- overplay one's hand — If you say that someone is overplaying something such as a problem, you mean that they are making it seem more important than it really is.
- 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.
- parasympathomimetic — having an effect similar to that produced when the parasympathetic nervous system is stimulated
- parathyroid extract — an aqueous preparation obtained from the parathyroid gland of cattle, used in medicine chiefly in cases of parathyroid deficiency and in veterinary medicine in the treatment of tetanic convulsions.
- parathyroid hormone — a polypeptide hormone, produced in the parathyroid glands, that helps regulate the blood levels of calcium and phosphate. Abbreviation: PTH.
- parthenogenetically — development of an egg without fertilization.
- particle technology — Particle technology is knowledge and study which relates to particles, and is used in industry.
- parting of the ways — When there is a parting of the ways, two or more people or groups of people stop working together or travelling together.
- paumotu archipelago — Tuamotu Archipelago.
- phenanthrenequinone — a yellowish-orange, crystalline, water-insoluble solid, C 1 4 H 8 O 2 , used chiefly in organic synthesis and the manufacture of dyes.
- 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.
- photodisintegration — the disintegration of a nucleus, induced by its absorption of a photon.
- photographic memory — total recall
- photopolymerization — polymerization induced by light.
- photoreconnaissance — reconnaissance using aerial photography.
- 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
- pistachio ice cream — ice cream flavoured with pistachios
- play to the gallery — a raised area, often having a stepped or sloping floor, in a theater, church, or other public building to accommodate spectators, exhibits, etc.
- pneumoencephalogram — an encephalogram made after the replacement of the cerebrospinal fluid by air or gas, rarely used since the development of the CAT scanner.