12-letter words containing s, e, r, o
- barnstormers — Plural form of barnstormer.
- barophoresis — the diffusion of suspended particles at a rate dependent on external forces
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- basidiospore — one of the spores, usually four in number, produced in a basidium
- batter's box — box1 (def 16a).
- battlefronts — Plural form of battlefront.
- beachcombers — Plural form of beachcomber.
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- bean-shooter — peashooter.
- beardtongues — Plural form of beardtongue.
- beaufort sea — part of the Arctic Ocean off the N coast of North America
- bed of roses — If you say that a situation is not a bed of roses, you mean that it is not as pleasant as it seems, and that there are some unpleasant aspects to it.
- bedfordshire — a county of S central England, administered since 2009 by the unitary authorities of Bedford and Central Bedfordshire: mainly low-lying, with the Chiltern Hills in the south: the geographical county includes Luton, which became a separate unitary authority in 1997. Area (excluding Luton): 1192 sq km (460 sq miles)
- bedroom eyes — sexy eyes
- behaviourism — Behaviourism 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.
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- beta orionis — Rigel
- beta version — beta testing
- bib overalls — overall (def 3a).
- bichon frise — a small white poodle-like dog of European origin, with a silky, loosely curling coat
- bio-security — the precautions taken to protect against the spread of lethal or harmful organisms and diseases
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biodiversity — Biodiversity is the existence of a wide variety of plant and animal species living in their natural environment.
- bioterrorism — Bioterrorism is terrorism that involves the use of biological weapons.
- bird-spotter — a bird-watcher
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- black forest — wooded mountain region in SW Germany
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- blastosphere — blastula
- blood sister — a sister by birth
- blue succory — a composite garden plant, Catananche caerulea, of southern Europe, having very hairy leaves and blue flower heads, used by the ancients as a love potion.
- body bolster — the lower transverse member of a car body to which the body center plate is attached.
- body repairs — repairs to the bodywork of cars
- body scanner — a machine using X-rays and a computer, used in medicine to look for signs of disease, or in security operations to look for drugs, weapons, etc
- bog rosemary — any of several species (genus Andromeda) of evergreen shrubs of the heath family, native to cold bogs of North America and Europe, with pink flowers and narrow leaves
- bognor regis — a resort in S England, in West Sussex on the English Channel: electronics industries. Regis was added to the name after King George V's convalescence there in 1929. Pop: 62 141 (2001)
- boiled shirt — a dress shirt with a stiff front
- boiler house — a building housing a boiler
- bois de rose — a grayish red or dark purplish red color.
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- bomb shelter — a shelter, usually underground, in which people take refuge from bomb attacks
- bond servant — a person who serves in bondage; slave.
- bonus number — (in the National Lottery) a number announced after the normal six numbers which influences the amount of prize money paid
- boomer state — Oklahoma
- booster dose — a supplementary injection of a vaccine given to maintain the immunization provided by an earlier dose
- booster pump — A booster pump is a pump which is used where pressure is low and needs to be increased.
- booster seat — A booster seat or a booster cushion is a special seat which allows a small child to sit in a higher position, for example at a table or in a car.
- booster shot — an injection of a vaccine or other antigen some time after the initial series of injections, for maintaining immunity
- boot-scraper — a contraption consisting of an upright metal shape formerly placed outside some houses to enable people to scrape the mud from their boots before going in