19-letter words containing r, e, p, l
- 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.
- gentleman-pensioner — (formerly) a gentleman-at-arms.
- geocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
- germander speedwell — a speedwell, Veronica chamaedrys, having blue flowers.
- 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
- gorzow wielkopolski — a city in NW Poland, on the Warta River.
- governing principle — a fundamental moral rule that guides and influences how something is done
- government monopoly — the exclusive control of the market supply of a product or service by the government
- grasshopper warbler — a Eurasian warbler Locustella naevia
- gregorian telescope — a telescope similar in design to the Cassegrainian telescope but less widely used.
- ground-plane aerial — a quarter-wave vertical dipole aerial in which the electrical image forming the other quarter-wave section is formed by reflection in a system of radially disposed metal rods or in a conductive sheet
- gulf of carpentaria — a shallow inlet of the Arafura Sea, in N Australia between Arnhem Land and Cape York Peninsula
- hamiltonian problem — (computability) (Or "Hamilton's problem") A problem in graph theory posed by William Hamilton: given a graph, is there a path through the graph which visits each vertex precisely once (a "Hamiltonian path")? Is there a Hamiltonian path which ends up where it started (a "Hamiltonian cycle" or "Hamiltonian tour")? Hamilton's problem is NP-complete. It has numerous applications, sometimes completely unexpected, in computing.
- have a problem with — to be unable to understand or do
- health professional — a person trained to work in any field of physical or mental health.
- hepatic portal vein — a vein connecting two capillary networks in the liver
- hepatoportal system — a vascular arrangement in vertebrates through which blood is transported into the liver from capillaries of the stomach, spleen, duodenum, pancreas, and intestines.
- 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.
- hexafluoroplatinate — (chemistry) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.
- high blood pressure — elevation of the arterial blood pressure or a condition resulting from it; hypertension. Abbreviation: HBP.
- high-flying tippler — a variety of domestic pigeon bred mainly for flying
- house of ill repute — a house of prostitution; whorehouse; brothel.
- 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.
- hyperphosphorylated — Simple past tense and past participle of hyperphosphorylate.
- hypersuggestibility — subject to or easily influenced by suggestion.
- hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
- hypocholesterolemic — (pathology) Of, pertaining to, or having hypocholesterolemia.
- hypolipoproteinemia — An abnormally low level of lipoprotein in the blood.
- hysterosalpingogram — An X-ray image taken during hysterosalpingography.
- imperative language — (language) Any programming language that specifies explicit manipulation of the state of the computer system, not to be confused with a procedural language, which specifies an explicit sequence of steps to perform. An example of an imperative (but non-procedural) language is a data manipulation language for a relational database management system. This specifies changes to the database but does not necessarily require anyone to specify a sequence of steps. Both contrast with declarative languages, which specify neither explicit state manipulation nor a sequence of steps.
- 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.
- imperial war museum — a museum in London, founded in 1920, containing material related to military operations involving British and Commonwealth forces since 1914
- 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
- infantile paralysis — poliomyelitis.
- 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