21-letter words containing a, b, u, r
- first baron ashburton — Alexander, 1st Baron Ashburton, 1774–1848, British statesman.
- gamma hydroxybutyrate — a substance that occurs naturally in the brain, used medically as a sedative but also as a recreational drug and alleged aphrodisiac: known as 'liquid ecstasy' when mixed with alcohol
- gaussian distribution — normal distribution
- george bryan brummell — George Bryan II, Beau Brummell.
- give sb the runaround — If someone gives you the runaround, they deliberately do not give you all the information or help that you want, and send you to another person or place to get it.
- gold bullion standard — a gold standard in which gold is not coined but may be purchased at a fixed price for foreign exchange.
- goldbach's conjecture — the conjecture that every even number greater than two is the sum of two prime numbers
- have someone's number — a numeral or group of numerals.
- hindu-arabic numerals — Arabic numeral.
- horizontal tabulation — (character) (tab, Control-I, HT, ASCII 9) A character which when displayed or printed causes the following character to be placed at the next "tabstop" - the column whose number is a multiple of the current tab width. Commonly (especially in Unix(?)) the tab width is eight, so, counting from the left margin (column zero), the tab stops are at columns 8, 16, 24, up to the width of the screen or page. A tab width of four or two is often preferred when indenting program source code to conserve indentation. Represented as "\t" in C, Unix, and derivatives.
- intersubstitutability — a person or thing acting or serving in place of another.
- irish republican army — an underground Irish nationalist organization founded to work for Irish independence from Great Britain: declared illegal by the Irish government in 1936, but continues activity aimed at the unification of the Republic of Ireland and Northern Ireland. Abbreviation: IRA, I.R.A.
- joseph bonaparte gulf — an inlet of the Timor Sea in N Australia. Width: 360 km (225 miles)
- lady murasaki shikibu — Lady, 978?–1031? Japanese poet and novelist.
- lambeth quadrilateral — the four essentials agreed upon at the Lambeth Conference of 1888 for a United Christian Church, namely, the Holy Scriptures, the Apostles' Creed, the sacraments of baptism and Holy Communion, and the historic episcopate
- language-based editor — language-sensitive editor
- lap and shoulder belt — a car seat belt
- league of arab states — Arab League.
- leave sb in the lurch — If someone leaves you in the lurch, they go away or stop helping you at a very difficult time.
- like a blue-arsed fly — in a state of frenzied activity
- maître d'hôtel butter — melted butter mixed with parsley and lemon juice
- maple-leaved viburnum — dockmackie.
- marketable securities — Marketable securities are securities that can easily be sold quickly on the open market.
- mauna kea observatory — an astronomical observatory on Mauna Kea, Hawaii, situated at an altitude of 13,600 feet (4145 meters).
- national public radio — a nationwide network of nonprofit radio stations supported in part by U.S. government funds distributed by the Corporation for Public Broadcasting, often affiliated with a public television station or educational institution. Abbreviation: NPR.
- negotiable instrument — order or promise to pay money
- negotiable securities — securities that are legally transferable in title from one party to another
- northumberland strait — the part of the Gulf of St. Lawrence that separates Prince Edward Island from New Brunswick and Nova Scotia, in SE Canada. About 200 miles (320 km) long; 9–30 miles (15–48 km) wide.
- not care a hang about — to not care the least bit about
- oblique circular cone — a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a line that is not perpendicular to the circle at its center.
- on o's best behaviour — If someone is on their best behaviour, they are trying very hard to behave well.
- optical double (star) — double star (sense 2)
- pipelined burst cache — Pipeline Burst Cache
- potassium bicarbonate — a white, crystalline, slightly alkaline, salty-tasting, water-soluble powder, KHCO 3 , produced by the passage of carbon dioxide through an aqueous potassium carbonate solution: used in cookery as a leavening agent and in medicine as an antacid.
- premium savings bonds — (in Britain) bonds issued by the Treasury since 1956 for purchase by the public. No interest is paid but there is a monthly draw for cash prizes of various sums
- printed circuit board — a circuit in which the interconnecting conductors and some of the circuit components have been printed, etched, etc., onto a sheet or board of dielectric material (PC board, printed-circuit board)
- probable maximum loss — Probable maximum loss is the maximum amount of loss that can be expected under normal circumstances.
- public address system — loudspeaker
- public administration — the implementation of public policy, largely by the executive branch.
- public health service — the agency that is responsible for the health of the general public
- public transportation — means of fare-paying travel
- public-address system — a combination of electronic devices that makes sound audible via loudspeakers to many people, as in an auditorium or out of doors.
- pure imaginary number — a complex number of the form iy where y is a real number and i = .
- put sb in their place — If you put someone in their place, you show them that they are less important or clever than they think they are.
- put sb out to pasture — If you say that someone is being put out to pasture, you mean they are no longer being employed because they are considered to be too old or no longer useful.
- rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
- rectangular hyperbola — a hyperbola with perpendicular asymptotes
- reverberatory furnace — See at reverberatory (def 2).
- rob peter to pay paul — to take something from (someone) by unlawful force or threat of violence; steal from.
- roodepoort-maraisburg — a city in S Transvaal, in the NE Republic of South Africa.