15-letter words containing o
- blast injection — the injection of liquid fuel directly into the cylinder of an internal-combustion engine using a blast of high-pressure air to atomize the spray of fuel
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blenheim orange — a type of apple tree bearing gold-coloured apples
- blockade runner — a person, ship etc that tries to carry goods through a blockade
- blockade-runner — a ship or person that passes through a blockade.
- blocked records — (storage) Several records written as a contiguous block on magnetic tape so that they may be accessed in a single I/O operation. Blocking increases the amount of data that may be stored on a tape because there are fewer inter-block gaps. It requires that the tape drive or processor have a sufficiently large buffer to store the whole block.
- blood corpuscle — one of the cells in the blood
- blood poisoning — Blood poisoning is a serious illness resulting from an infection in your blood.
- bloodguiltiness — guilty of murder or bloodshed.
- bloody butchers — a hardy plant, Trillium sessile, common from New York to Georgia and westward, having stalkless, purple or green flowers.
- blossom-end rot — a disease of tomato and pepper caused by a deficiency of calcium, characterized by decay at the blossom end of the fruit.
- blotch printing — a fabric-printing method in which the ground color is transferred from the cylinder and the motif retains the original hue of the cloth.
- blow one's cool — (of the wind or air) to be in motion.
- blow one's cork — to lose one's temper; become enraged
- blow one's horn — to boast about oneself; brag
- blow one's mind — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
- blue cattle dog — an Australian breed of dog with a bluish coat, developed for herding cattle
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- blueback salmon — sockeye salmon.
- bo diddley beat — a type of syncopated Black rhythm, frequently used in rock music
- boa constrictor — A boa constrictor is a large snake that kills animals by wrapping itself round their bodies and squeezing them to death. Boa constrictors are found mainly in South and Central America and the West Indies.
- board of health — an agency with responsibility for health in state, country, etc
- board of parole — an agency that determines which prisoners are to be released on parole
- board-certified — A doctor who is board-certified has passed tests and meets the standards of a board of specialists in their area of medicine.
- boarding school — A boarding school is a school which some or all of the pupils live in during the school term. Compare day school.
- boating holiday — a holiday spent sailing or travelling in a canal boat, cruiser, etc
- bobbin and joan — the European arum, Arum maculatum.
- bodily function — A person's bodily functions are the normal physical processes that regularly occur in their body, particularly the ability to urinate and defecate.
- body mass index — A person's body mass index is a measurement that represents the relationship between their weight and their height.
- body toning bar — a weighted exercise bar made of steel encased in a layer of foam, used for toning and strength training.
- bohemia-moravia — a former German protectorate including Bohemia and Moravia, 1939–45.
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- boil-in-the-bag — (of food) able to be boiled in a sealed bag until ready to eat
- boiled dressing — a cooked salad dressing thickened with egg yolks and often containing mustard.
- boiled potatoes — potatoes, usually peeled, cooked in boiling water
- 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
- boom-bust cycle — A boom-bust cycle is a series of events in which a rapid increase in business activity in the economy is followed by a rapid decrease in business activity, and this process is repeated again and again.
- 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
- borrower's card — a card issued by a library to individuals or organizations entitling them or their representatives to borrow materials.