11-letter words containing o, s, b, r
- baculovirus — any of a family of viruses that attack insects and other arthropods, used as biological pesticides
- badderlocks — a seaweed, Alaria esculenta, that has long brownish-green fronds and is eaten in parts of N Europe
- ballesteros — Severiano (sevɛˈrjano). 1957–2011, Spanish professional golfer: won the British Open Championship (1979; 1984; 1988) and the US Masters (1980; 1983)
- bannerstone — a North American prehistoric stone implement in the form of a double-edged ax with a notch or hole, possibly for attaching a handle.
- barbarously — uncivilized; wild; savage; crude.
- barber shop — A barber shop is a shop where a barber works.
- barber-shop — Also called, especially British, barber's shop. the place of business of a barber.
- barbershops — Plural form of barbershop.
- bargeboards — Plural form of bargeboard.
- barnstormed — Simple past tense and past participle of barnstorm.
- barnstormer — to conduct a campaign or speaking tour in rural areas by making brief stops in many small towns.
- baroceptors — Plural form of baroceptor.
- barons' war — either of two civil wars in 13th-century England. The First Barons' War (1215–17) was precipitated by King John's failure to observe the terms of Magna Carta: many of the Barons' grievances were removed by his death (1216) and peace was concluded in 1217. The Second Barons' War (1264–67) was caused by Henry III's refusal to accept limitations on his authority: the rebel Barons (led (1264–65) by Simon de Montfort), initially successful, were defeated at the battle of Evesham (1265); sporadic resistance continued until 1267
- baroqueness — The state or condition of being baroque.
- barotseland — a region in W Zambia. 44,920 sq. mi. (116,343 sq. km).
- barracootas — Plural form of barracoota.
- barracoutas — Plural form of barracouta.
- barrelhouse — a cheap and disreputable drinking establishment
- baryshnikov — Mikhail. born 1948, Soviet-born ballet dancer, who defected (1974) to the West while on tour with the Kirov Ballet: director (1980–90) of the American Ballet Theatre
- base memory — (hardware, jargon) The lowest 640 kilobytes of memory in an IBM PC-compatible computer running MS-DOS. Other PC operating systems can usually compensate and "ignore" the fact that there is a 640K limit to base memory. This was put in place because the original CPU - the Intel 8088 - could only access one megabyte of memory, and IBM wanted to reserve the upper 384KB for device drivers. The high memory area (HMA) lies above 640KB and can be accessed on MS-DOS computers that have an A20 handler.
- base period — a neutral period used as a standard for comparison in constructing an index to express a variable factor: 100 is usually taken as the index number for the variable in the base period
- basepersons — Plural form of baseperson.
- basidiocarp — the fruiting body of basidiomycetous fungi; the mushroom of agarics
- basset horn — an obsolete woodwind instrument of the clarinet family
- bastard pop — a type of popular music in which two records, usually from different genres or eras, are blended together into a whole, often using the vocal performance from one and the instrumental from the other
- bastard son — an illegitimate son
- bathometers — Plural form of bathometer.
- battledores — Plural form of battledore.
- bean sprout — Bean sprouts are small, long, thin shoots grown from beans. They are frequently used in Chinese cookery.
- beanshooter — peashooter
- bear's-foot — either of two Eurasian hellebore plants, Helleborus foetidus or H. viridis, having leaves shaped like the foot and claws of a bear
- behaviorism — Behaviorism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- behaviorist — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
- belorussian — of Belarus or its people, language, or culture
- belowstairs — (formerly) at or in the basement of a large house, considered as the place where the servants live and work
- belt course — an ornamental projecting band or continuous moulding along a wall
- belt-course — a horizontal band or course, as of stone, projecting beyond or flush with the face of a building, often molded and sometimes richly carved.
- bengal rose — China rose (def 1).
- bengal-rose — Also called Bengal rose. a rose, Rosa chinensis, of China, having slightly fragrant crimson, pink, or white flowers.
- berry spoon — a small spoon, especially of the late 18th century, having a perforated bowl.
- berylliosis — a lung disease caused by inhaling beryllium
- best effort — (networking) A classification of low priority network traffic, used especially the Internet. Different kinds of traffic have different priorities. Videoconferencing and other types of real-time communication, for example, require a certain minimum guaranteed bandwidth and latency and so must be given a high priority. Electronic mail, on the other hand, can tolerate an arbitrarily long delay and is classified as a "best-effort" service.
- bible story — a story from the Bible
- bioindustry — an industry that makes use of biotechnology and other advanced life science methodologies in the creation or alteration of life forms or processes
- biomorphism — a painted, drawn, or sculptured free form or design suggestive in shape of a living organism, especially an ameba or protozoan: The paintings of Joan Miró are often notable for their playful, bright-colored biomorphs.
- bioresearch — the investigation of the nature of living organisms; biological research.
- bird's-foot — a European leguminous plant, Ornithopus perpusillus, with small red-veined white flowers and curved pods resembling a bird's claws
- black frost — a frost without snow or rime that is severe enough to blacken vegetation
- bladdernose — hooded seal
- blastospore — a spore formed by budding, as in certain fungi