19-letter words containing a, r, y, i
- 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
- hydroxybenzoic acid — Hydroxybenzoic acid is the active ingredient in a number of drugs, for example, aspirin. Hydroxybenzoic acid is also used as a preservative.
- hydroxybutyric acid — ketone body.
- hydroxydaunorubicin — Doxorubicin.
- hyper-nationalistic — a person devoted to nationalism.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- 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.
- hyperparathyroidism — overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.
- hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
- hypolipoproteinemia — An abnormally low level of lipoprotein in the blood.
- hypophosphoric acid — a tetrabasic acid, H 4 P 2 O 6 , produced by the slow oxidation of phosphorous in moist air.
- 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.
- indemnity insurance — insurance covering against damage or loss
- industrial capacity — the amount of resources (workforce, factories, etc) present in a place that will enable an industry or industries to produce goods
- infantile paralysis — poliomyelitis.
- inflationary spiral — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- information highway — information superhighway
- inorganic chemistry — the branch of chemistry dealing with inorganic compounds.
- instant photography — photography using an instant camera.
- intangible property — intellectual property, rights ownership
- interdepartmentally — involving or existing between two or more departments: interdepartmental rivalry.
- interdisciplinarity — Any academic or scientific study that draws on the expertise of more than one discipline.
- interferometrically — By means of interferometry.
- intermediate system — (networking) (IS) An Open Systems Interconnection system which performs network layer forwarding. It is analogous to an IP router.
- 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.
- internet relay chat — (chat, messaging) (IRC) /I-R-C/, occasionally /*rk/ A client-server chat system of large (often worldwide) networks. IRC is structured as networks of Internet servers, each accepting connections from client programs, one per user. The IRC community and the Usenet and MUD communities overlap to some extent, including both hackers and regular folks who have discovered the wonders of computer networks. Some Usenet jargon has been adopted on IRC, as have some conventions such as emoticons. There is also a vigorous native jargon (see the entry for "chat"). The largest and first IRC network is EFNet, with a smaller breakaway network called the Undernet having existed since 1992, and dozens of other networks having appeared (and sometimes disappeared) since. See also nick, bot, op.
- introduction agency — a company whose business is to match romantic partners for a fee
- invasion of privacy — an encroachment upon the right to be let alone or to be free from publicity.
- isobutyl propionate — a colorless liquid, C 7 H 14 O 2 , used chiefly as a paint, varnish, and lacquer solvent.
- keyboard instrument — any musical instrument that is played using a keyboard
- 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.
- lady baltimore cake — a white layer cake using only the beaten whites of eggs and spread with a fruitnut filling consisting of raisins, figs, walnuts or pecans, and sometimes candied cherries.
- land of opportunity — Arkansas (used as a nickname).
- lateral line system — a system of sensory organs in fishes and aquatic amphibians consisting of a series of cells on the head and along the sides of the body that detect pressure changes and vibrations
- lay one's finger on — to indicate, identify, or locate accurately
- learning disability — a disorder, as dyslexia, usually affecting school-age children of normal or above-normal intelligence, characterized by difficulty in understanding or using spoken or written language, and thought to be related to impairment or slowed development of perceptual motor skills.
- liability insurance — insurance covering the insured against losses arising from injury or damage to another person or property.
- liberation theology — a 20th-century Christian theology, emphasizing the Biblical and doctrinal theme of liberation from oppression, whether racial, sexual, economic, or political.
- library of congress — one of the major library collections in the world, located in Washington, D.C., and functioning in some ways as the national library of the U.S. although not officially designated as such: established by Congress in 1800 for service to its members, but now also serving government agencies, other libraries, and the public.
- lipopolysaccharides — Plural form of lipopolysaccharide.
- 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.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lymphoproliferative — Characterized by lymphoproliferation.
- lyon office of arms — Heralds' Office.
- magnesium hydroxide — a white, crystalline, slightly water-soluble powder, Mg(OH) 2 , used chiefly in medicine as an antacid and as a laxative.
- magnetic hysteresis — hysteresis in a ferromagnetic material; the lag in the response of magnetic induction to changes of magnetic intensity.
- magnetohydrodynamic — Of or pertaining to magnetohydrodynamics.