21-letter words containing a, b, s, o, r, i

negotiable instrument — order or promise to pay money
negotiable securities — securities that are legally transferable in title from one party to another
nellis air force base — the largest air base in the U.S. Air Force's Tactical Air Command, located near Las Vegas, Nev., and developed from what began in 1941 as a U.S. Army Air Corps field.
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.
observation satellite — an unmanned satellite that observes the earth and gathers data
on o's best behaviour — If someone is on their best behaviour, they are trying very hard to behave well.
open graphics library — (graphics, library) (OpenGL) A multi-platform software interface to graphics hardware, supporting rendering and imaging operations. The OpenGL interface was developed by Silicon Graphics, who license it to other vendors. The OpenGL graphics interface consists of several hundred functions operating on 2D and 3D objects, supporting basic techniques, such as modelling and smooth shading, and advanced techniques, such as texture mapping and motion blur. Many operations require a frame buffer. OpenGL is network-transparent, and a common extension to the X Window System allows an OpenGL client to communicate across a network with a different vendor's OpenGL server. OpenGL is based on Silicon Graphics' proprietary IRIS GL.
optical double (star) — double star (sense 2)
pick someone's brains — to obtain information or ideas from someone
poor robin's plantain — the rattlesnake weed, Hieracium venosum.
posterior probability — the probability assigned to some parameter or to an event on the basis of its observed frequency in a sample, and calculated from a prior probability by Bayes' theorem
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
probable maximum loss — Probable maximum loss is the maximum amount of loss that can be expected under normal circumstances.
public administration — the implementation of public policy, largely by the executive branch.
public transportation — means of fare-paying travel
rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
recompression chamber — hyperbaric chamber.
roodepoort-maraisburg — a city in S Transvaal, in the NE Republic of South Africa.
salam-weinberg theory — the electroweak theory.
sampling distribution — the distribution of a statistic based on all possible random samples that can be drawn from a given population.
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
serbia and montenegro — a former country in SE Europe, consisting of the republics of Serbia and Montenegro; replaced the Federal Republic of Yugoslavia in 2003, and dissolved in 2006 following Montenegro’s decision to secede
single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
snr bandwidth product — (communications) The integral of the SNR over frequency. The SNR bandwidth product is an important limit in the capacity of a communication channel.
socialist labor party — a U.S. political party, organized in 1874, advocating the peaceful introduction of socialism.
space shuttle orbiter — orbiter (def 1).
stabilization-process — the act or process of stabilizing or the state of being stabilized.
subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
substitution reaction — the replacement of an atom or group of atoms in a compound by another atom or group.
sympathetic vibration — a vibration induced by resonance.
take sb at their word — If you take someone at their word, you believe what they say, when they did not really mean it or when they meant something slightly different.
take sb/sth seriously — If you take someone or something seriously, you believe that they are important and deserve attention.
tetrabromofluorescein — eosin (def 1).
the barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
the probation service — a criminal justice service that is mainly responsible for dealing with offenders by placing them under the supervision of a probation officer
to be arrayed against — to be opposed to
to be in dire straits — to be in a position of acute difficulty
to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
to risk life and limb — If someone risks life and limb, they do something very dangerous that may cause them to die or be seriously injured.
uniform business rate — a local tax in the UK paid by businesses, based on a local valuation of their premises and a rate fixed by central government that applies throughout the country
washington's birthday — February 22, formerly observed as a legal holiday in most states of the U.S. in honor of the birth of George Washington.
weinberg-salam theory — electroweak theory.
william of malmesbury — William of, William of Malmesbury.
with one's bare hands — If someone does something with their bare hands, they do it without using any weapons or tools.
writ of habeas corpus — law: petition for hearing

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