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20-letter words containing s, o, l, a, r, p

  • multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
  • multistorey car park — a car park consisting of several levels
  • nephroangiosclerosis — (pathology) sclerosis of the renal arterioles.
  • neurophysiologically — In terms of, or with regard to, neurophysiology.
  • neuropsychiatrically — In terms of neuropsychiatry.
  • neuropsychologically — In terms of or by means of neuropsychology.
  • nine plus zero array — the arrangement of microtubules characteristic of basal bodies and centrioles, consisting of nine evenly spaced triplets between the outer and inner walls of the structure and having no central microtubules. Symbol: 9 + 0.
  • north celestial pole — the point of intersection of the earth's extended axis and the northern half of the celestial sphere, lying about 1° from Polaris
  • omega-minus particle — a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Symbol: Ω −.
  • one'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.
  • operational calculus — a method for solving a differential equation by treating differential operators as ordinary algebraic quantities, thus obtaining a simpler problem.
  • operational database — (database)   A database containing up-to-date, modifiable data, in contrast to a decision support database.
  • operational strategy — a plan or set of plans for successfully running a business, etc
  • pale western cutworm — the larva of a noctuid moth, Agrotis orthogonia, of the western U.S. and Canada, that seriously damages grains, beets, potatoes, alfalfa, etc., by feeding underground on roots and stems.
  • palos verdes estates — a town in S California.
  • paper qualifications — qualifications gained through official examinations, etc, rather than through experience
  • pappus of alexandria — 3rd century bc, Greek mathematician, whose eight-volume Synagoge is a valuable source of information about Greek mathematics
  • particulars of claim — (in England) the first reading made by the claimant in a county court action, showing the facts upon which he or she relies in support of a claim and the relief asked for
  • pass in one's marble — to die
  • peasecod breastplate — a breastplate having a long central ridge terminating in a raised area overhanging the waistline.
  • peculiar institution — black slavery in the southern U.S. before the Civil War.
  • pentobarbital sodium — a barbiturate drug used in medicine as a sedative and hypnotic. Formula: C11H17N2O3Na
  • people's paths cross — If you cross someone's path or if your paths cross, you meet them by chance.
  • permonosulfuric acid — persulfuric acid (def 1).
  • peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5
  • personal cleanliness — physical cleanliness; the cleanliness of a person's body and habits
  • personality disorder — any of a group of mental disorders characterized by deeply ingrained maladaptive patterns of behavior and personality style, which are usually recognizable as early as adolescence and are often lifelong in duration.
  • personnel department — business: human resources
  • personnel management — the branch of management dealing with staff recruitment and matters relating to employees
  • photogelatin process — collotype (def 1).
  • photophosphorylation — phosphorylation that utilizes light as a source of energy, as in the formation of ATP from ADP and phosphorus during photosynthesis.
  • physical 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)
  • physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
  • planetary precession — the small component of the precession of the equinoxes contributed by the motion of the ecliptic, the change in orientation of the plane of the earth's orbit being produced by the gravitational attraction of the planets.
  • polyanthus narcissus — a Eurasian amaryllidaceous plant, Narcissus tazetta, having clusters of small yellow or white fragrant flowers
  • population inversion — a condition of matter in which more electrons are in a high energy state than in a lower energy state, as is required for the operation of a laser.
  • post-order traversal — traversal
  • postal delivery zone — zone (def 10).
  • postnatal depression — a form of clinical depression that occurs in mothers after the birth of a baby
  • prefecture apostolic — a territory in the early stage of missionary development.
  • premenstrual tension — Premenstrual tension is the same as premenstrual syndrome. The abbreviation PMT is often used.
  • prepositional phrase — a phrase consisting of a preposition, its object, which is usually a noun or a pronoun, and any modifiers of the object, as in the gray desk I use.
  • prescription glasses — corrective spectacles
  • prince william sound — a sound in the Gulf of Alaska, on the S coast of Alaska: S end of Trans-Alaska oil pipeline at port of Valdez.
  • property speculation — the buying or selling of property in the hope of deriving capital gains
  • proportional spacing — a feature of some typewriters and other output devices whereby the space allotted to each character is determined by the width of the character
  • psychiatric hospital — institution treating mental disorders
  • public administrator — an official of a city, county, or state government.
  • pull (one's) rank on — to take advantage of one's military rank in enforcing commands or one's high position or seniority in making demands on (a subordinate)
  • pyroligneous alcohol — methyl alcohol.
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