17-letter words containing a, d, n, o, u
- half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
- hard nut to crack — a dry fruit consisting of an edible kernel or meat enclosed in a woody or leathery shell.
- haroun-al-raschid — Harun al-Rashid.
- hillel foundation — a national organization, founded in 1924 by the B'nai B'rith, that institutes and administers programs designed to enrich the religious, cultural, and social life of Jewish college students.
- hollandaise sauce — a sauce of egg yolks, butter, lemon juice, and seasonings.
- homeland security — national defence
- hot-and-sour soup — a spicy Chinese soup made with pork, chicken, beans, vinegar, etc., served hot
- household ammonia — diluted ammonia, often having a small quantity of detergent, used in the home for cleaning.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- i am bound to say — You can say 'I am bound to say' to introduce a statement expressing something that you find undesirable or unexpected.
- i beg your pardon — You say 'Pardon?' or 'I beg your pardon?' or, in American English, 'Pardon me?' when you want someone to repeat what they have just said because you have not heard or understood it.
- i wouldn't say no — You use 'I wouldn't say no' to indicate that you would like something, especially something that has just been offered to you.
- imitation doublet — a doublet formed entirely of glass.
- immunodiagnostics — the determination of immunologic characteristics of individuals, cells, and other biologic entities.
- in double harness — in a harness for two animals pulling the same carriage, plow, etc.
- in the background — behind the focus of attention
- incubation period — the period between infection and the appearance of signs of a disease.
- indicial equation — an equation that is obtained from a given linear differential equation and that indicates whether a solution in power series form exists for the differential equation.
- individualisation — Alternative spelling of individualization.
- individualization — to make individual or distinctive; give an individual or distinctive character to.
- induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
- induction heating — a method of heating a conducting material, as metal in a furnace, by using electromagnetic induction to establish a current in the material.
- industrial action — job action.
- industrial school — a school for teaching one or more branches of industry; trade or vocational school.
- industrialisation — Alternative spelling of industrialization.
- industrialization — the large-scale introduction of manufacturing, advanced technical enterprises, and other productive economic activity into an area, society, country, etc.
- institutionalised — to make institutional.
- institutionalized — to make institutional.
- integrated course — a course that covers several subjects
- intercommunicated — Simple past tense and past participle of intercommunicate.
- island of the sun — Sicily: the island where Helius kept his oxen.
- italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
- juazeiro do norte — a city in Bahia state, NE Brazil.
- judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
- kastor and pollux — Castor and Pollux.
- ladder tournament — a tournament in which the entrants are listed by name and rank, advancement being by means of challenging and defeating an entrant ranked one or two places higher.
- lago de nicaragua — Spanish name of Lake Nicaragua.
- lame-duck session — (formerly) the December to March session of those members of the U.S. Congress who were defeated for reelection the previous November.
- least upper bound — an upper bound that is less than or equal to all the upper bounds of a particular set. 3 is the least upper bound of the set consisting of 1, 2, 3. Abbr.: lub.
- legendre equation — a differential equation of the form (1− x 2) d2y/dx2 − 2 xdy/dx + a (a + 1) y = 0, where a is an arbitrary constant.
- liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
- liquid propellant — a rocket propellant in liquid form.
- long island sound — an arm of the Atlantic between Connecticut and Long Island. 90 miles (145 km) long.
- longitudinal wave — a wave in which the direction of displacement is the same as the direction of propagation, as a sound wave.
- magellanic clouds — either of two irregular galactic clusters in the southern heavens that are the nearest independent star system to the Milky Way.
- manitoulin island — an island in N Lake Huron belonging to Canada. 80 miles (130 km) long.
- manufactured home — a prefabricated house, assembled in modular sections.
- many-valued logic — the study of logical systems in which the truth-values that a proposition may have are not restricted to two, representing only truth and falsity
- medulla oblongata — the lowest or hindmost part of the brain, continuous with the spinal cord.
- microencapsulated — Encapsulated using microencapsulation.