15-letter words containing o, n
- boiled dressing — a cooked salad dressing thickened with egg yolks and often containing mustard.
- bologna sausage — a large smoked sausage made of seasoned mixed meats
- bombing mission — a major bomb attack on a specific target or series of targets
- bone conduction — the transmission of sound vibrations to the internal ear through the cranial bones (opposed to air conduction).
- bonheur-du-jour — a delicate fall-front desk of the late 18th and early 19th centuries.
- book of account — a book to keep accounts in; ledger
- book of changes — an ancient Chinese book of divination, in which 64 pairs of trigrams are shown with various interpretations.
- bookmaking firm — an organization that accepts bets from gamblers and pays out winnings
- boolean algebra — a system of symbolic logic devised by George Boole to codify logical operations. It is used in computers
- booster cushion — an extra seat or cushion placed on an existing seat for a child to sit on in a car
- border incident — an incident, usually fighting, on a border between countries
- borderline case — a person or thing that is not clearly classifiable as something
- borough council — a local government body elected by a borough
- borough-english — (until 1925) a custom in certain English boroughs whereby the youngest son inherited land to the exclusion of his older brothers
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- boston massacre — an outbreak (1770) in Boston against British troops, in which a few citizens were killed
- bottled in bond — stored in bonded warehouses for a stated length of time before being bottled, as some whiskey
- botulinum toxin — a pharmaceutical formulation of botulin used in minute doses to treat various forms of muscle spasm and for the cosmetic removal of wrinkles
- bourbon biscuit — a rich chocolate-flavoured biscuit with a chocolate-cream filling
- boustrophedonic — of or relating to lines written in opposite directions
- bowel complaint — bowel disease or condition
- bowstring truss — a structural truss consisting of a curved top chord meeting a bottom chord at each end.
- box chronometer — a ship's chronometer, supported on gimbals in a wooden box
- boxer rebellion — a member of a Chinese secret society that carried on an unsuccessful uprising, 1898–1900 (Boxer Rebellion) principally against foreigners, culminating in a siege of foreign legations in Peking that was put down by an international expeditionary force.
- boys' night out — an evening spent outside of the home by a group of men
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- branchial pouch — one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
- branchiostegous — branchiostegal.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- brave new world — If someone refers to a brave new world, they are talking about a situation or system that has recently been created and that people think will be successful and fair.
- bread and honey — money
- break-in period — a period during which certain restrictions or moderation in operating should be followed, as the avoidance of high speed, rapid acceleration, or severe braking for a new automobile.
- breakbone fever — dengue
- breakdown cover — insurance cover against breakdowns in a vehicle
- breakeven point — a point at which the total revenue and total cost are equal
- breaking plough — a plough with a long shallow mouldboard for turning virgin land or sod land
- breeding ground — If you refer to a situation or place as a breeding ground for something bad such as crime, you mean that this thing can easily develop in that situation or place.
- breeding season — the time of year during which animals breed
- bring into line — a mark or stroke long in proportion to its breadth, made with a pen, pencil, tool, etc., on a surface: a line down the middle of the page.
- bring to a head — to bring or be brought to a crisis
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- britneyfication — the effect on clothes and fashions of following the revealing styles favoured by the US pop singer Britney Spears (born 1981)
- brocken specter — an optical phenomenon sometimes occurring at high altitudes when the image of an observer placed between the sun and a cloud is projected on the cloud as a greatly magnified shadow.
- broken pediment — a pediment, as over a doorway or window, having its raking cornice interrupted at the crown or apex.
- brompheniramine — a substance, C 16 H 19 BrN 2 , used as an antihistamine in the management of various allergies, as hay fever.
- bronchial tubes — the bronchi or their smaller divisions
- bronze diabetes — hemochromatosis.
- bronzed grackle — the western subspecies of the American bird, the common grackle, Quiscalus quiscula versicolor, having bronzy, iridescent plumage.