19-letter words containing p, r, e, c, l
- expressionistically — In an expressionistic manner.
- extendible compiler — (language) (ETC) A Fortran-like compiler that can be extended with macros.
- family practitioner — medical specialization in general practice, requiring training beyond that of general practice and leading to board certification.
- focal plane shutter — an opaque shield in a camera, lying in the focal plane of the lens, that, when tripped, admits light to expose the film or plate for a predetermined period, usually a fraction of a second
- focal-plane shutter — a camera shutter situated directly in front of the film.
- four eyes principle — the requirement that a business transaction be approved by at least two individuals
- fractal compression — (algorithm) A technique for encoding images using fractals.
- gel electrophoresis — a technique for separating protein molecules of varying sizes in a mixture by moving them through a block of gel, as of agarose or polyacrylamide, by means of an electric field, with smaller molecules moving faster and therefore farther than larger ones.
- general post office — (in the U.S. postal system) the main post office of a city, county, etc., that also has branch post offices. Abbreviation: G.P.O., GPO.
- geocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
- gloucester old spot — a hardy rare breed of pig, white with a few black markings, that originally lived off windfalls in orchards in the Severn valley
- governing principle — a fundamental moral rule that guides and influences how something is done
- gregorian telescope — a telescope similar in design to the Cassegrainian telescope but less widely used.
- gulf of carpentaria — a shallow inlet of the Arafura Sea, in N Australia between Arnhem Land and Cape York Peninsula
- hepatic portal vein — a vein connecting two capillary networks in the liver
- heptachlorobiphenyl — (organic compound) Either of twenty-four isomers of the polychlorinated biphenyl containing seven chlorine atoms.
- hester lynch piozzi — Hester Lynch (Hester Lynch Piozzi) 1741–1821, Welsh writer and friend of Samuel Johnson.
- hydroelectric power — electricity generated by water
- hyper-nationalistic — a person devoted to nationalism.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- hyperbolic function — a function of an angle expressed as a relationship between the distances from a point on a hyperbola to the origin and to the coordinate axes, as hyperbolic sine or hyperbolic cosine: often expressed as combinations of exponential functions.
- hyperbolic geometry — the branch of non-Euclidean geometry that replaces the parallel postulate of Euclidean geometry with the postulate that two distinct lines may be drawn parallel to a given line through a point not on the given line.
- hypercholesteraemia — (medicine) An abnormally high level of cholesterol in the blood.
- hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
- hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
- hypocholesterolemic — (pathology) Of, pertaining to, or having hypocholesterolemia.
- imperial preference — a proposed system whereby free trade and levelled tariffs would exist between nations belonging to the British Commonwealth, in order to increase the prosperity of and unity between these nation
- imperial presidency — a U.S. presidency that is characterized by greater power than the Constitution allows.
- impressionistically — In an impressionistic manner.
- in particular terms — If you say something in particular terms, you say it using a particular type or level of language or using language which clearly shows your attitude.
- incomplete abortion — a miscarriage in which some fetal or placental tissue remains in the uterus.
- incomplete fracture — a fracture extending partly across the bone.
- incomprehensibility — impossible to understand or comprehend; unintelligible.
- incremental plotter — a device that plots graphs on paper from computer-generated instructions
- inferiority complex — Psychiatry. intense feeling of inferiority, producing a personality characterized either by extreme reticence or, as a result of overcompensation, by extreme aggressiveness.
- inglenook fireplace — a large fireplace with a space on either side
- insect pest control — the killing, reduction or elimination of insects which are pests, using insecticide, etc
- intercardinal point — any of the four points of the compass midway between the cardinal points; northeast, southeast, southwest, or northwest.
- interdisciplinarity — Any academic or scientific study that draws on the expertise of more than one discipline.
- intergalactic space — the region of physical space that exists between galaxies. The density is negligible, and close to an almost total vacuum
- international pitch — diapason normal pitch.
- isenheim altarpiece — an altarpiece (1510?–15?) painted by Matthias Grünewald.
- judicial separation — a decree of legal separation of spouses that does not dissolve the marriage bond.
- kellogg-briand pact — a treaty renouncing war as an instrument of national policy and urging peaceful means for the settlement of international disputes, originally signed in 1928 by 15 nations, later joined by 49 others.
- kilobits per second — (unit) (kbps, kb/s) A unit of data rate where 1 kb/s = 1000 bits per second. This contrasts with units of storage where 1 Kb = 1024 bits (note upper case K).
- landscape architect — A landscape architect is the same as a landscape gardener.
- landscape gardening — the art or trade of designing or rearranging large gardens, estates, etc.
- leisure occupations — activities which you enjoy and which you perform in your free time
- linear independence — (in linear algebra) the property of a set of elements in a vector space in which none of the vectors can be written as a linear combination of the others.
- lipopolysaccharides — Plural form of lipopolysaccharide.