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19-letter words containing a, e, r, o, p, t

  • midafternoon prayer — the fifth of the seven canonical hours; none
  • 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.
  • multiplexor channel — (MPX) mainframe terminology for a slow peripheral device connection, e.g. for a printer, operator console, or card reader.
  • napierian logarithm — natural logarithm.
  • nasty piece of work — malicious person
  • 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.
  • nine plus two array — the arrangement of microtubules in a flagellum or cilium, consisting of a ring of nine evenly spaced couplets surrounding two central singlets. Symbol: 9 + 2.
  • non-contemporaneous — living or occurring during the same period of time; contemporary.
  • nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
  • nonproprietary drug — A nonproprietary drug is a generic drug that is essentially similar to a drug with a brand name.
  • nonrepresentational — not resembling or portraying any object in physical nature: a nonrepresentational painting.
  • 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
  • notre-dame-de-paris — Also called Notre Dame de Paris [French naw-truh dam duh pa-ree] /French nɔ trə dam də paˈri/ (Show IPA). a famous early gothic cathedral in Paris (started 1163).
  • nuclear power plant — factory that generates atomic energy
  • o tempora! o mores! — oh the times! oh the customs!: an exclamation at the evil of them
  • 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.
  • operational testing — (testing)   A US DoD term for testing performed by the end-user on software in its normal operating environment.
  • operations director — a director or senior manager who oversees the efficiency of business operations
  • 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.
  • optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
  • optical mark reader — (hardware)   (OMR) A special scanning device that can read carefully placed pencil marks on specially designed documents. OMR is frequenty used in forms, questionnaires, and answer-sheets.
  • oral interpretation — the study and practice of vocally expressing the meaning of written compositions, especially of literature.
  • 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
  • over-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
  • 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
  • paleoanthropologist — the study of the origins and predecessors of the present human species, using fossils and other remains.
  • palomar observatory — an astronomical observatory situated on Palomar Mountain in S California, having a 200-inch (508-cm) reflecting telescope and a 48-inch (122-cm) Schmidt telescope.
  • pancreatic fibrosis — cystic fibrosis.
  • 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.
  • parametric equation — one of two or more equations expressing the location of a point on a curve or surface by determining each coordinate separately.
  • 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 dispersoid — A particle dispersoid is a suspension of solid particles in a gas.
  • 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.
  • 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.
  • pastoral counseling — the use of psychotherapeutic techniques by trained members of the clergy to assist parishioners who seek help for personal or emotional problems.
  • patrol torpedo boat — PT boat.
  • pattern recognition — the automated identification of shapes or forms or patterns of speech.
  • paumotu archipelago — Tuamotu Archipelago.
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