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21-letter words containing u, n, r, e, b

  • 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.
  • ibm customer engineer — (job)   (CE) A hardware guy from IBM.
  • illinois bundleflower — a warm-season perennial, Desmanthus illinoensis, having small brown legumes and fernlike leaves, native to North American prairies, glades, and pastures.
  • 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)
  • language-based editor — language-sensitive editor
  • lap and shoulder belt — a car seat belt
  • leave sb in the lurch — If someone leaves you in the lurch, they go away or stop helping you at a very difficult time.
  • loch ness monster bug — (humour)   (Or "Bugfoot") A bug which cannot be reproduced or has only been sighted by one person. Named after the mythical creature claimed to inhabit Loch Ness in Scotland.
  • maple-leaved viburnum — dockmackie.
  • mauna kea observatory — an astronomical observatory on Mauna Kea, Hawaii, situated at an altitude of 13,600 feet (4145 meters).
  • negotiable instrument — order or promise to pay money
  • negotiable securities — securities that are legally transferable in title from one party to another
  • night-blooming cereus — any of various cacti of the genera Hylocereus, Peniocereus, Nyctocereus, or Selenicereus, having large, usually white flowers that open at night.
  • 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.
  • 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)
  • public-key encryption — (cryptography)   (PKE, Or "public-key cryptography") An encryption scheme, introduced by Diffie and Hellman in 1976, where each person gets a pair of keys, called the public key and the private key. Each person's public key is published while the private key is kept secret. Messages are encrypted using the intended recipient's public key and can only be decrypted using his private key. This is often used in conjunction with a digital signature. The need for sender and receiver to share secret information (keys) via some secure channel is eliminated: all communications involve only public keys, and no private key is ever transmitted or shared. Public-key encryption can be used for authentication, confidentiality, integrity and non-repudiation. See also knapsack problem.
  • pure imaginary number — a complex number of the form iy where y is a real number and i = .
  • put sb in the picture — If you put someone in the picture, you tell them about a situation which they need to know about.
  • 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.
  • 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).
  • rub someone's nose in — to keep reminding someone of something unpleasant, as a mistake made
  • san gabriel mountains — a mountain range in S California, N of Los Angeles. Highest peak, San Antonio Peak, 10,080 feet (3072 meters).
  • saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
  • satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
  • sb/sth reigns supreme — Someone or something that reigns supreme is the most important or powerful element in a situation or period of time.
  • scarlet runner (bean) — a climbing bean plant (Phaseolus coccineus) of tropical America, having pods with large, edible, red-and-black seeds and usually having scarlet flowers: often grown in cold climates as an ornamental
  • single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
  • subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
  • submerged arc welding — a type of heavy electric-arc welding using mechanically fed bare wire with the arc submerged in powdered flux to keep out oxygen
  • substitution reaction — the replacement of an atom or group of atoms in a compound by another atom or group.
  • supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
  • tetrabromofluorescein — eosin (def 1).
  • the built environment — the buildings and all other things constructed by human beings
  • the-ring-the-nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
  • threatening behaviour — intimidation or intentional behaviour that causes another person to fear injury or harm
  • three-quarter binding — a binding in which the material used for the back extends further over the covers than in half binding.
  • to be hard luck on sb — to be unfortunate or unlucky for someone
  • to have money to burn — If you say that someone has money to burn, you mean that they have more money than they need or that they spend their money on things that you think are unnecessary.
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