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20-letter words containing l, y

  • noncatalytic reactor — A noncatalytic reactor is a reactor in which no catalyst is used.
  • occupational therapy — a form of therapy in which patients are encouraged to engage in vocational tasks or expressive activities, as art or dance, usually in a social setting.
  • olfactory anesthesia — absence or loss of the sense of smell.
  • on the factory floor — in a factory; as a factory worker
  • operational strategy — a plan or set of plans for successfully running a business, etc
  • ophthalmodynamometer — a device for determining the nearest point of ocular convergence.
  • ousterhout's fallacy — Ousterhout's dichotomy
  • overenthusiastically — With excessive enthusiasm.
  • oxyacetylene welding — welding using an oxyacetylene burner
  • peremptory challenge — a formal objection to the service of a juror by a party to a criminal prosecution or a civil action that requires no showing of cause.
  • 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
  • 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.
  • phenyldiethanolamine — a white, crystalline, slightly water-soluble substance, C 1 0 H 1 5 NO 2 , used in the manufacture of dyes and in organic synthesis.
  • phenylpropyl acetate — a colorless, water-insoluble liquid, C 1 0 H 1 2 O 2 , used chiefly in perfumery.
  • photophosphorylation — phosphorylation that utilizes light as a source of energy, as in the formation of ATP from ADP and phosphorus during photosynthesis.
  • 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
  • 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.
  • play catch-up (ball) — to try to equal or surpass one's opponent in competition, as a ballgame, in which one is behind
  • play merry hell with — to disturb greatly; disrupt
  • play pass-the-parcel — to try to avoid a responsibility, or blame, by passing it on to someone else
  • polyanthus narcissus — a Eurasian amaryllidaceous plant, Narcissus tazetta, having clusters of small yellow or white fragrant flowers
  • 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.
  • polymorphic function — a function in a computer program that can deal with a number of different types of data
  • 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.
  • polyvinylpyrrolidone — a white, amorphous, water-soluble powder, (C 6 H 9 NO) n , used chiefly as a vehicle in the manufacture of pharmaceuticals.
  • portal-to-portal pay — payment, as to a miner or factory worker, that includes compensation for time spent on the employer's premises in preparation for a work shift, in travel from the entrance to the assigned work area and back, etc.: Because workers must change their clothes and pick up tools prior to the work shift, they are demanding portal-to-portal pay.
  • portfolio employment — the practice of working for several employers simultaneously rather than working full-time for a single employer
  • 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.
  • postal delivery zone — zone (def 10).
  • presidential primary — a direct primary for the selection of state delegates to a national party convention and the expression of preference for a U.S. presidential nominee.
  • primary optical area — a point in or toward the upper left-hand corner of a printed page, advertisement, or the like, looked at first in reading. Abbreviation: POA.
  • primitive polynomial — a polynomial that has content equal to 1. Compare content1 (def 11a).
  • probability function — the function the values of which are probabilities of the distinct outcomes of a discrete random variable
  • property development — the business of buying land and buildings and then making improvements to them so that their selling price exceeds the price paid for them
  • property speculation — the buying or selling of property in the hope of deriving capital gains
  • propylphenyl acetate — phenylpropyl acetate.
  • prothonotary warbler — a wood warbler, Protonotaria citrea, of the eastern U.S., having an orange-yellow head and underparts, and bluish-gray wings and tail.
  • pseudo-psychological — of or relating to psychology.
  • psychiatric hospital — institution treating mental disorders
  • psychological moment — the proper or critical time for achieving a desired result: She found the right psychological moment to make her request.
  • psychomotor epilepsy — temporal-lobe epilepsy.
  • pyrenees-atlantiques — a department in SW France. 2978 sq. mi. (7710 sq. km). Capital: Pau.
  • pyroligneous alcohol — methyl alcohol.
  • qualitative analysis — the analysis of a substance in order to ascertain the nature of its chemical constituents.
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