21-letter words containing a, b, h, o, r

keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
laboratory technician — sb who assists in a laboratory
lap and shoulder belt — a car seat belt
maître d'hôtel butter — melted butter mixed with parsley and lemon juice
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
not hold one's breath — If you say that you won't hold your breath, you mean that you do not expect something to happen even though someone has suggested that it might.
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.
propantheline bromide — a substance, C 2 3 H 3 0 BrNO 3 , used in the treatment of peptic ulcers.
rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
reciprocal inhibition — the theory that the pairing of an anxiety-provoking stimulus with anxiety-reducing reactions will weaken the association between the stimulus and the anxiety.
recompression chamber — hyperbaric chamber.
rectangular hyperbola — a hyperbola with perpendicular asymptotes
rehabilitation centre — a centre or clinic where people with an alcohol or drug addiction are treated
reverberation chamber — a room with walls that reflect sound. It is used to make acoustic measurements and as a source of reverberant sound to be mixed with direct sound for recording or broadcasting
salam-weinberg theory — the electroweak theory.
satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
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.
space shuttle orbiter — orbiter (def 1).
steer clear of sb/sth — If you steer clear of someone or something, you deliberately avoid them.
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.
the barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
the battle of britain — from August to October 1940, the prolonged bombing of S England by the German Luftwaffe and the successful resistance by the RAF Fighter Command, which put an end to the German plan of invading Britain
the birth of a nation — an American film (1915), directed by D. W. Griffith.
the break of day/dawn — The break of day or the break of dawn is the time when it begins to grow light after the night.
the lower vertebrates — relatively simple and primitive vertebrates
the order of the bath — an order of knighthood founded by George I in 1725. It consists of the sovereign, the Great Master, and three classes of member: Knight (or Dame) Grand Cross, Knight (or Dame) Commander, and Companion
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
the rock of gibraltar — a limestone promontory at the tip of S Spain
the yellow brick road — the road to success or happiness (in the film the Wizard of Oz the yellow brick road leads to Oz)
theater of the absurd — theater in which standard or naturalistic conventions of plot, characterization, and thematic structure are ignored or distorted in order to convey the irrational or fictive nature of reality and the essential isolation of humanity in a meaningless world.
theatre of the absurd — drama in which normal conventions and dramatic structure are ignored or modified in order to present life as irrational or meaningless
threatening behaviour — intimidation or intentional behaviour that causes another person to fear injury or harm
throw sb a curve ball — If someone throws you a curve or throws you a curve ball, they surprise you by doing something that you do not expect.
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.
to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
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.
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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