19-letter words containing p, a, g, l, i
- flat-joint pointing — pointing having flush joints of common mortar.
- floating-point unit — (hardware) (FPU) A floating-point accelerator, usually in a single integrated circuit, possible on the same IC as the central processing unit.
- flowering raspberry — a shrub, Rubus ordoratus, of eastern North America, having loose clusters of showy purplish or rose-purple flowers and inedible, dry, red fruit.
- free alongside ship — (of a shipment of goods) delivered to the dock without charge to the buyer, but excluding the cost of loading onto the vessel
- gallipoli peninsula — peninsula in S European Turkey, forming the NW shore of the Dardanelles: c. 55 mi (89 km) long
- general partnership — a partnership in which each of the partners is fully liable for the firm's debts.
- 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.
- go jump in the lake — a body of fresh or salt water of considerable size, surrounded by land.
- 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
- hang on the lips of — to listen to with close attention
- histopathologically — In a histopathological manner.
- historiographically — In a historiographical manner; by means of a historiography.
- 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.
- inglenook fireplace — a large fireplace with a space on either side
- intangible property — intellectual property, rights ownership
- intergalactic space — the region of physical space that exists between galaxies. The density is negligible, and close to an almost total vacuum
- jumping bristletail — any of several thysanuran insects that live in dark, warm, moist places, as under leaves, bark, and dead tree trunks and along rocky seacoasts, and are active jumpers, making erratic leaps when disturbed.
- jumping plant louse — any of numerous lice, of the family Psyllidae, that feed on plant juices and are sometimes pests of fruits and vegetables.
- 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.
- kirlian photography — a photographic process that supposedly records electrical discharges naturally emanating from living objects, producing an auralike glow surrounding the object on a photographic plate or film with which the object is in direct contact.
- knights hospitalers — a member of the religious and military order (Knights Hospitalers or Knights of St. John of Jerusalem) originating about the time of the first Crusade (1096–99) and taking its name from a hospital at Jerusalem.
- landscape gardening — the art or trade of designing or rearranging large gardens, estates, etc.
- late-night shopping — later opening hours of shops than usual, esp as a regular occurrence on a particular night of the week
- league championship — the competition to become league champions
- level playing field — a state of equality; an equal opportunity.
- liaodong pensinsula — a peninsula of NE China, in S Manchuria extending south into the Yellow Sea: forms the S part of Liaoning province
- load-bearing printf — (programming, humour) The kind of bug present in a program which works correctly when producing debug output but fails when the debugging is turned off. The expression combines load-bearing wall and printf as used in debugging by printf.
- longitudinal parity — (storage, communications) An extra byte (or word) appended to a block of data in order to reveal corruption of the data. Bit n of this byte indicates whether there was an even or odd number of "1" bits in bit position n of the bytes in the block. The parity byte is computed by XORing the data bytes in the block. Longitudinal parity allows single bit errors to be detected.
- magnetic north pole — the point on Earth to where a compass needle points, and which is situated near the geographic North Pole. However, with time, the exact location can vary.
- main-topgallantmast — the mast next above the main-topmast.
- male chauvinist pig — male chauvinist.
- manned space flight — space travel in vehicles with a human crew
- manufacturing plant — factory
- meningoencephalitic — Relating to meningoencephalitis.
- meningoencephalitis — Inflammation of the membranes of the brain and the adjoining cerebral tissue.
- multiplication sign — Arithmetic. the symbol (⋅), (×), or (∗) between two mathematical expressions, denoting multiplication of the second expression by the first. In certain algebraic notations the sign is suppressed and multiplication is indicated by immediate juxtaposition or contiguity, as in ab.
- napierian logarithm — natural logarithm.
- neuropathologically — In a neuropathologic way.
- old english pattern — a spoon pattern having a stem curving backward at the end.
- operational testing — (testing) A US DoD term for testing performed by the end-user on software in its normal operating environment.
- paleoanthropologist — the study of the origins and predecessors of the present human species, using fossils and other remains.
- parallel processing — extending in the same direction, equidistant at all points, and never converging or diverging: parallel rows of trees.
- parliament building — structure housing legislative offices
- parliamentary agent — (in Britain) a person who is employed to manage the parliamentary business of a private group
- parthenogenetically — development of an egg without fertilization.