18-letter words containing u, r, d
- hydrofluorocarbons — Plural form of hydrofluorocarbon.
- hydroxychloroquine — a colorless crystalline solid, C 18 H 26 ClN 3 O, used in the treatment of malaria, lupus erythematosus, and rheumatoid arthritis.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
- ifs, ands, or buts — a supposition; uncertain possibility: The future is full of ifs.
- in your mind's eye — If you see something in your mind's eye, you imagine it and have a clear picture of it in your mind.
- indecent behaviour — the offence of committing indecent acts
- indefinite pronoun — a pronoun, as English some, any, somebody, that leaves unspecified the identity of its referent.
- indentured servant — a person who came to America and was placed under contract to work for another over a period of time, usually seven years, especially during the 17th to 19th centuries. Generally, indentured servants included redemptioners, victims of religious or political persecution, persons kidnapped for the purpose, convicts, and paupers.
- indestructibleness — The quality of being indestructible.
- indirect discourse — discourse consisting not of an exact quotation of a speaker's words but of a version transformed from them for grammatical inclusion in a larger sentence. He said he was hungry is an example of indirect discourse.
- individual liberty — the liberty of an individual to exercise freely those rights generally accepted as being outside of governmental control.
- indolebutyric acid — a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.
- induction ceremony — a ceremony held to mark a person's formal introduction or entry into an office, position, group, etc
- induction training — training intended to enable new staff and recruits to do their work
- inductive relation — A relation R between domains D and E is inductive if for all chains d1 .. dn in D and e1 .. en in E,
- industrial diamond — a small often synthetic diamond, valueless as a gemstone, used in cutting tools, abrasives, etc
- industrial disease — occupational disease (def 1).
- industrial dispute — disagreement between workers and managers
- industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
- industrial vehicle — a vehicle designed for use in industry
- informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
- instrument landing — an aircraft landing accomplished by use of gauges on the instrument panel and ground-based radio equipment, with limited reference to outside visual signals.
- insurance adjuster — An insurance adjuster is the same as a claims adjuster.
- integrated circuit — a circuit of transistors, resistors, and capacitors constructed on a single semiconductor wafer or chip, in which the components are interconnected to perform a given function. Abbreviation: IC.
- integrated studies — a course that includes a number of subjects and is organized by theme
- jerusalem syndrome — a delusive condition affecting some visitors to Jerusalem in which the sufferer identifies with a major figure from his or her religious background
- justice department — the United States federal department for enforcing federal laws
- kirkcudbrightshire — a historic county in SW Scotland.
- laugh like a drain — to laugh loudly and coarsely
- lay down your arms — If soldiers lay down their arms, they stop fighting and give up their weapons.
- left-eyed flounder — any of several flat-fishes of the family Bothidae, having both eyes on the left side of the head.
- liquid distributor — A liquid distributor is a device which is used to spread liquid when it enters a packed column (= a tall vessel with packing, used for separating substances).
- logarithmus dualis — (mathematics) (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
- long hundredweight — a hundredweight of 112 pounds (50.8 kg), the usual hundredweight in Great Britain, but now rare in the U.S.
- lord chief justice — the presiding judge of Britain's High Court of Justice, the superior court of record for both criminal and civil cases.
- loschmidt's number — the number of molecules in one cubic centimeter of an ideal gas at standard temperature and pressure, equal to 2.687 × 10 19.
- low blood pressure — hypotension.
- lunitidal interval — the period of time between the moon's transit and the next high lunar tide.
- magnesium peroxide — a white, tasteless, water-insoluble powder, MgO 2 , used as an antiseptic and as an oxidizing and bleaching agent.
- manufactured goods — products made by machine
- marine underwriter — an underwriter who specializes in marine insurance
- marsilius of padua — c1280–1343? Italian scholar and political theorist.
- mato grosso do sul — a state of W central Brazil: formed in 1979 from part of Mato Grosso state. Capital: Campo Grande. Pop: 2 140 624 (2002). Area: 350 548 sq km (135 318 sq miles)
- mercurous chloride — calomel.
- mercury delay line — (storage, history) An archaic first-in first-out fixed time period data storage device using acoustic transducers to transmit data as waves in a trough or tube of mercury. EDSAC (Cambridge) and UNIVAC I used delay lines.
- middleburg heights — a town in N Ohio.
- milkweed butterfly — monarch butterfly.
- misunderestimation — (nonstandard) An inaccurate underestimation, or an act of misunderestimating.
- mixed-flow turbine — a water turbine in which water flows radially and axially through the rotating vanes
- modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).