15-letter words containing i, s, u
- aqueous-ammonia — a colorless, pungent, suffocating, highly water-soluble, gaseous compound, NH 3 , usually produced by the direct combination of nitrogen and hydrogen gases: used chiefly for refrigeration and in the manufacture of commercial chemicals and laboratory reagents.
- arabic numerals — the figures 1, 2, 3, 4, 5, 6, 7, 8, 9, and the 0 (zero) that originated in India; Hindu-Arabic numerals
- arrivals lounge — a waiting area for people meeting passengers
- arthur brisbane — Arthur, 1864–1936, U.S. journalist.
- asclepiadaceous — of, relating to, or belonging to the Asclepiadaceae, a family of mostly tropical and subtropical flowering plants, including the milkweed and swallowwort, having pollen in the form of a waxy mass (pollinium): now usually regarded as a subfamily of the Apocynaceae
- ascribed status — the social position assigned to a person on the basis of kinship, ethnic group, sex, etc.
- asian influenza — pandemic influenza caused by a strain of the influenza virus first isolated in Singapore in 1957
- assistant judge — a person who assists a judge in their work or who is not yet fully qualified as a judge
- astronautically — In an astronautic way.
- at your service — You can use 'at your service' after your name as a formal way of introducing yourself to someone and saying that you are willing to help them in any way you can.
- atlas mountains — a mountain system of N Africa, between the Mediterranean and the Sahara. Highest peak: Mount Toubkal, 4165 m (13 664 ft)
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- attitude survey — a survey of the opinions held by a particular group of people
- audubon society — a North American organization devoted to the conservancy of birds
- auf wiedersehen — goodbye, until we see each other again
- augmented sixth — an interval greater than a major sixth by a chromatic half step.
- augusta emerita — a market town in W Spain, in Extremadura, on the Guadiana River: founded in 25 bc; became the capital of Lusitania and one of the chief cities of Iberia. Pop: 52 110 (2003 est)
- aurora borealis — the aurora seen around the North Pole
- australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
- australian mist — a breed of medium-sized cat with a short spotted or marbled coat
- australian pine — casuarina
- austria-hungary — the Dual Monarchy established in 1867, consisting of what are now Austria, Hungary, the Czech Republic, Slovakia, Slovenia, Croatia, and Bosnia-Herzegovina, and parts of Poland, Romania, Ukraine, and Italy. The empire was broken up after World War I
- authentications — Plural form of authentication.
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- autocannibalism — The eating of part of one's own body.
- autodestructive — likely to cause one's own destruction
- autodidacticism — any self-directed learning or self-education
- automatic focus — a system in a camera which automatically adjusts the lens so that the object being photographed is in focus, often one using infrared light to estimate the distance of the object from the camera
- autoradiographs — Plural form of autoradiograph.
- autoschediastic — offhand, with little forethought or preparation
- autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- barium stearate — a white, crystalline, water-insoluble solid, Ba(C 18 H 35 O 2) 2 , used chiefly as a waterproofing agent and as a lubricant.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- basic autocoder — Early system on IBM 7070. Listed in CACM 2(5):16 (May 1959).
- basic education — (in India) education in which all teaching is correlated with the learning of a craft
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- bathurst island — an island off the coast of N Nunavut, Canada, in the Arctic Archipelago: present south of the North Magnetic Pole nearby. 7609 sq. mi. (19,707 sq. km).
- be lost without — If you say that you would be lost without someone or something, you mean that you would be unhappy or unable to work properly without them.
- béarnaise sauce — a creamy sauce, esp. for meat or fish, made of butter and egg yolks and flavored with wine, vinegar, shallots, and herbs
- beginner's luck — the initial good fortune or success commonly supposed to come to a person who has recently taken up a new pursuit, as a sport or game: Catching a large trout the first time you go fishing is simply beginner's luck.
- bergius process — a method of hydrogenation formerly used with coal to produce an oil similar to petroleum.
- bessel function — one of several transcendental functions, usually represented as power series, that are solutions to a group of related differential equations.
- beurre noisette — a sauce of butter cooked until golden or nut brown, sometimes flavored with capers, vinegar, herbs, etc.
- beyond question — a sentence in an interrogative form, addressed to someone in order to get information in reply.
- bioastronautics — the study of the effects of space flight on living organisms