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17-letter words containing p, e, c, u

  • duality principle — the principle that a mathematical duality exists under certain conditions.
  • emission spectrum — the continuous spectrum or pattern of bright lines or bands seen when the electromagnetic radiation emitted by a substance is passed into a spectrometer. The spectrum is characteristic of the emitting substance and the type of excitation to which it is subjected
  • empirical formula — a chemical formula indicating the proportion of each element present in a molecule
  • employee discount — When the employees of a store or other retail business are entitled to an employee discount, they do not have to pay the full price for goods they buy in the store.
  • equinoctial point — either of the two points at which the celestial equator intersects the ecliptic
  • explicit function — a function whose values may be computed directly, as y = x2 + 1
  • fictitious person — a legal entity or artificial person, as a corporation.
  • fluorescent strip — a fluorescent light in the form of a long strip
  • foot-pound-second — of or relating to the system of units in which the foot, pound, and second are the principal units of length, mass, and time. Abbreviation: fps, f.p.s.
  • foucault pendulum — a pendulum that demonstrates the rotation of the earth by exhibiting an apparent change in its plane of oscillation.
  • fourfold purchase — a tackle that is composed of a rope passed through two fourfold blocks in such a way as to provide mechanical power in the ratio of 1 to 5 or 1 to 4, depending on whether hauling is done on the running or the standing block and without considering friction. Compare tackle (def 2).
  • frequency polygon — a frequency curve consisting of connected line segments formed by joining the midpoints of the upper edges of the rectangles in a histogram whose class intervals are of uniform length.
  • function complete — (programming)   State of a software component or system such that each function described by the software's functional specification can be reached by at least one functional path, and attempts to operate as specified.
  • gause's principle — the principle that similar species cannot coexist for long in the same ecological niche
  • get one's back up — the rear part of the human body, extending from the neck to the lower end of the spine.
  • graphic equalizer — an equalizer in an audio system that is controlled by sliders that show graphically and correct the frequency response within the preset frequency range.
  • housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
  • humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.
  • hundred-percenter — a completely patriotic, sometimes jingoistic person.
  • huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
  • huygens' eyepiece — a telescope eyepiece consisting of two planoconvex lenses separated by a distance equal to half the sum of their focal lengths, which are in the ratio of three to one, and oriented so that their curved surfaces face the incident light
  • hydrotherapeutics — hydrotherapy.
  • hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
  • ice-cream parlour — a place where people go to eat ice cream
  • illegal procedure — a penalty assessed against the offensive team for a technical rules violation, as in assuming an illegal formation.
  • immunocompromised — having an impaired or compromised immune response; immunodeficient.
  • immunotherapeutic — (immunology, medicine) Of a pharmaceutical, acting on the immune system to treat disease; used in immunotherapy.
  • in the public eye — featured prominently in the media
  • inclusion complex — a solid solution in which molecules of one compound occupy places in the crystal lattice of another compound. Compare adduct (def 2).
  • inconspicuousness — The condition of being inconspicuous.
  • incubation period — the period between infection and the appearance of signs of a disease.
  • indecent exposure — the intentional exposure of one's body's privates in a manner that gives offense against accepted or prescribed behavior.
  • influence peddler — a person who arranges to obtain favors, as government contracts, from high officials on behalf of others for a fee.
  • insurance company — company that sells insurance policies
  • insurance premium — payment on an insurance policy
  • interrupted screw — a screw having the thread interrupted in one or more places by longitudinal channels, as in the breech of a cannon or the lead screw of a lathe.
  • irreproducibility — The quality of not being reproducible.
  • japanese chestnut — any of the several deciduous trees constituting the genus Castanea, of the beech family, having toothed, oblong leaves and bearing edible nuts enclosed in a prickly bur, and including C. dentata (American chestnut) which has been virtually destroyed by the chestnut blight, C. sativa (European chestnut) C. mollissima (Chinese chestnut) and C. crenata (Japanese chestnut)
  • jump trace buffer — (JTB) A feature of some pipelined processors (e.g. Amulet, Pentium?) which stores the source and destination addresses of the last few branch instuctions executed. When a branch instruction is fetched, its source is looked for in the JTB. If found, the next instuction fetch will be from the previous destination of that branch. If it turns out that the branch shouldn't have been taken this time, then the pipeline is flushed. This means that in a tight loop it is not necessary to flush the pipeline every time you jump back to the start.
  • jumping-off place — a place for use as a starting point: Paris was the jumping-off place for our tour of Europe.
  • jus primae noctis — droit du seigneur.
  • karelian republic — a constituent republic of NW Russia between the White Sea and Lakes Onega and Ladoga. Capital: Petrozavodsk. Pop: 716 700 (2002). Area: 172 400 sq km (66 560 sq miles)
  • keep your balance — If you keep your balance, for example when standing in a moving vehicle, you remain steady and do not fall over. If you lose your balance, you become unsteady and fall over.
  • ligurian republic — the republic in NW Italy set up by Napoleon in 1797, incorporated into France in 1805, and united with the Kingdom of Sardinia in 1814.
  • malagasy republic — former name of Madagascar.
  • maximum principle — the theorem that a function of a complex variable that is analytic in a domain and on its boundary attains its maximum absolute value on the boundary.
  • medical procedure — A medical procedure is a medical treatment or operation.
  • mercuric sulphide — a compound of mercury, usually existing as a black solid (metacinnabarite) or a red solid (cinnabar or vermilion), which is used as a pigment. Formula: HgS
  • mercury poisoning — illness caused by exposure to mercury
  • microencapsulated — Encapsulated using microencapsulation.
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