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20-letter words containing i, e, c, o

  • orthognathic surgery — the surgical correction of deformities or malpositions of the jaw.
  • orthopaedic mattress — a specially firm mattress designed to help correct or ameliorate the discomfort of disorders of the spine and joints
  • oscillating universe — a variant model of the closed universe in which the universe undergoes cycles of expansion and contraction.
  • over-intellectualize — to seek or consider the rational content or form of.
  • overenthusiastically — With excessive enthusiasm.
  • ovo-lacto vegetarian — a vegetarian who eats eggs and dairy products
  • ovo-lacto-vegetarian — lacto-ovo-vegetarian.
  • owner-occupied house — a house that is owned by the person who lives in it
  • oxyacetylene welding — welding using an oxyacetylene burner
  • paper qualifications — qualifications gained through official examinations, etc, rather than through experience
  • para-dichlorobenzene — 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.
  • parametric equations — one of two or more equations expressing the location of a point on a curve or surface by determining each coordinate separately.
  • particle accelerator — accelerator (def 7).
  • particle beam weapon — a weapon that fires particle beams into the atmosphere or space
  • 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.
  • peculiar institution — black slavery in the southern U.S. before the Civil War.
  • pentose nucleic acid — a nucleic acid containing a pentose.
  • peremptory exception — a plea in bar of an action.
  • permonosulfuric acid — persulfuric acid (def 1).
  • peroxyacetyl nitrate — an unstable nitrogen compound, found in certain types of smog, that is an irritant, esp. to the eyes and to plants
  • peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5
  • perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
  • personal cleanliness — physical cleanliness; the cleanliness of a person's body and habits
  • 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
  • phosphoric anhydride — phosphorus pentoxide.
  • photoconductive cell — Electronics. a photocell whose resistance varies according to the intensity of light falling on it.
  • photoelectric effect — the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface.
  • photogelatin process — collotype (def 1).
  • phthalocyanine green — a pigment used in painting, derived from chlorinated copper phthalocyanine and characterized chiefly by its intense green color and permanence.
  • 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
  • pick someone's brain — to obtain information or ideas from someone
  • pickwickian syndrome — an abnormality characterized by extreme obesity accompanied by sleepiness, hypoventilation, and polycythemia.
  • pico della mirandola — Count Giovanni [jaw-vahn-nee] /dʒɔˈvɑn ni/ (Show IPA), 1463–94, Italian humanist and writer.
  • piezoelectric effect — the property exhibited by some nonconducting crystals of becoming electrically polarized when mechanically strained and of becoming mechanically strained when an electric field is applied.
  • piezomagnetic effect — the production of a magnetic field by applying a mechanical stress to certain crystals
  • 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.
  • pledge of allegiance — a solemn oath of allegiance or fidelity to the U.S., beginning, “I pledge allegiance to the flag,” and forming part of many flag-saluting ceremonies in the U.S.
  • polaroid land camera — any of several types of camera yielding a finished print by means of a special developing and processing technique that occurs inside the camera and takes only a few seconds to complete
  • political convention — a meeting of a political party, esp to select party candidates
  • polyconic projection — a conic projection in which the parallels are arcs of circles that are not concentric but are equally spaced along the central straight meridian, all other meridians being curves equally spaced along the parallels.
  • porcupine provisions — provisions, such as poison pills or staggered directorships, made in the bylaws of a company to deter takeover bids
  • 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.
  • possessive adjective — See at possessive (def 4a).
  • 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.
  • postcode prescribing — the practice of prescribing more or less expensive and effective medical treatments to patients depending on where they live in a country, and which treatments their health board is willing and able to provide
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