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20-letter words containing p, o, s, l, e

  • 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
  • obsessive-compulsive — of or relating to a personality style characterized by perfectionism, indecision, conscientiousness, concern with detail, rigidity, and inhibition.
  • occupational disease — Also called industrial disease. a disease caused by the conditions or hazards of a particular occupation.
  • occupational pension — a pension scheme provided for the members of a particular occupation or by a specific employer or group of employers
  • old english sheepdog — one of an English breed of large working dogs having a long, shaggy, gray or blue-merle and white coat that hangs over the eyes, and a bobbed tail, originally developed to drive sheep and cattle.
  • 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
  • pass in one's marble — to die
  • peaceful coexistence — competition without war, or a policy of peace between nations of widely differing political systems and ideologies, especially between Communist and non-Communist nations: peaceful coexistence between the U.S. and the Soviet Union.
  • 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
  • pentose nucleic acid — a nucleic acid containing a pentose.
  • 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
  • pessimising compiler — /pes'*-mi:z"ing k*m-pi:l"r/ (Antonym of "optimising compiler") A compiler that produces object code that is worse than the straightforward or obvious hand translation. The implication is that the compiler is actually trying to optimise the program, but through excessive cleverness is doing the opposite. A few pessimizing compilers have been written on purpose, however, as pranks or burlesques.
  • pest control officer — a person who gets rid of pests such as rats and mice
  • philoprogenitiveness — producing offspring, especially abundantly; prolific.
  • photogelatin process — collotype (def 1).
  • 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 examination — an examination, usually by a physician, of a person's body in order to determine his or her state of health or physical fitness, as for military service or participation in a sport.
  • 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.
  • physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
  • physiological saline — a salt solution that has the same osmotic pressure as that found in the blood or tissues
  • 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.
  • planned obsolescence — a method of stimulating consumer demand by designing products that wear out or become outmoded after limited use.
  • pleased with oneself — If someone seems very satisfied with something they have done, you can say that they are pleased with themselves, especially if you think they are more satisfied than they should be.
  • polyvinylidene resin — any of the class of thermoplastic resins derived by the polymerization or copolymerization of a polyvinylidene compound, used similarly to the polyvinyl resins.
  • population explosion — the rapid increase in numbers of a particular species, especially in the world's human population since the end of World War II, attributed to an accelerating birthrate, a decrease in infant mortality, and an increase in life expectancy.
  • 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.
  • positive electricity — the electricity present in a body or substance that has a deficiency of electrons, as the electricity developed on glass when rubbed with silk.
  • post office protocol — (messaging, protocol)   (POP) A protocol designed to allow single-user computers to retrieve electronic mail from a POP server via TCP/IP. The default port is 110. The POP server might be a computer with a permanent Internet connection whereas its clients might only connect to it occasionally, e.g. by modem. There are (in 1994) three versions: POP, POP2, and POP3. Later versions are NOT compatible with earlier ones.
  • 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
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