19-letter words containing r, e, s, i, l, n
- greenhouse whitefly — See under whitefly.
- gregorian telescope — a telescope similar in design to the Cassegrainian telescope but less widely used.
- haute vulgarisation — vulgarization, or popularization, on a higher level, esp. as done by academics, scholars, etc.
- health professional — a person trained to work in any field of physical or mental health.
- heinrich schliemann — Heinrich [hahyn-rikh] /ˈhaɪn rɪx/ (Show IPA), 1822–90, German archaeologist: excavated ancient cities of Troy and Mycenae.
- helsinki conference — Conference on Security and Cooperation in Europe.
- hester lynch piozzi — Hester Lynch (Hester Lynch Piozzi) 1741–1821, Welsh writer and friend of Samuel Johnson.
- highland clearances — in Scotland, the removal, often by force, of the people from some parts of the Highlands to make way for sheep, during the eighteenth and nineteenth centuries
- honorable discharge — a discharge from military service of a person who has fulfilled obligations efficiently, honorably, and faithfully.
- house of councilors — the upper house of the Japanese diet.
- household insurance — an arrangement in which you pay money to a company, and they pay money to you if your household goods are stolen or damaged
- hudson river school — a group of American painters of the mid-19th century whose works are characterized by a highly romantic treatment of landscape, especially along the Hudson River.
- hydrostatic balance — a balance for finding the weight of an object submerged in water in order to determine the upthrust on it and thus determine its relative density
- hyper-nationalistic — a person devoted to nationalism.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- 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.
- hysterosalpingogram — An X-ray image taken during hysterosalpingography.
- 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.
- incommensurableness — (rare) Incommensurability.
- incomprehensibility — impossible to understand or comprehend; unintelligible.
- industrial accident — an accident that happens to an employee of an industrial company during the course of their work
- industrial medicine — the study and practice of the health care of employees of large organizations, including measures to prevent accidents, industrial diseases, and stress in the workforce and to monitor the health of executives
- industrial-strength — unusually strong, potent, or the like: heavy-duty: an industrial-strength soap.
- infantile paralysis — poliomyelitis.
- informal settlement — a squatter camp
- insect pest control — the killing, reduction or elimination of insects which are pests, using insecticide, etc
- installed user base — user base
- instrumentalisation — (philosophy) The treatment of an idea as an instrument that functions as a guide to action.
- instrumentalization — Alternative spelling of instrumentalisation.
- insulating material — anything that is used as insulation
- inter-institutional — of, relating to, or established by institution.
- interchangeableness — Quality of being interchangeable.
- interdisciplinarity — Any academic or scientific study that draws on the expertise of more than one discipline.
- interfacial tension — the surface tension at the interface of two liquids.
- intergalactic space — the region of physical space that exists between galaxies. The density is negligible, and close to an almost total vacuum
- interlaced scanning — a system of scanning a television picture, first along the even-numbered lines, then along the odd-numbered lines, in one complete scan
- intermediate school — a school for pupils in grades 4 through 6.
- internal conversion — the emission of an electron by an atom with an excited nucleus, occurring as a result of the transfer of energy from the nucleus to the electron.
- internal resistance — the resistance within a battery, or other voltage source, that causes a drop in the source voltage when there is a current.
- internal translator — (language, mathematics) (IT) An early compiler for mathematics developed by A.J. Perlis et al at Carnegie Tech ca 1957. IT was originally written for the Burroughs 205, then the IBM 650. IT was the forerunner of RUNCIBLE, GATE, CORRELATE and GAT. IT source code was converted to PIT, thence to SPIT. IT-2 produced machine language directly, IT-3 developed at Carnegie added double-precision floating-point.
- internal-combustion — of or relating to an internal-combustion engine.
- international style — the general form of architecture developed in the 1920s and 1930s by Gropius, Le Corbusier, Mies van der Rohe, and others, characterized by simple geometric forms, large untextured, often white, surfaces, large areas of glass, and general use of steel or reinforced concrete construction.
- interstellar medium — the matter occurring between the stars of our Galaxy, largely in the spiral arms, and consisting mainly of huge clouds of ionized, neutral, or molecular hydrogen
- interval estimation — the process of estimating a parameter of a given population by specifying an interval of values and the probability that the true value of the parameter falls within this interval.
- intervertebral disc — any of the cartilaginous discs between individual vertebrae, acting as shock absorbers
- intervertebral disk — the plate of fibrocartilage between the bodies of adjacent vertebrae.
- irish water spaniel — one of an Irish breed of large water spaniels having a thick, curly, liver-colored coat, a topknot of long, loose curls, and a thin, tapering tail covered with short hair.
- isenheim altarpiece — an altarpiece (1510?–15?) painted by Matthias Grünewald.