15-letter words containing o, d, e, l
- bedsheet ballot — a very long, involved paper ballot
- belladonna lily — a tropical bulbous plant (Amaryllis belladonna) of the lily family, grown for its large pink, white, or red flowers and native to S Africa
- benedict arnold — Benedict, 1741–1801, American general in the Revolutionary War who became a traitor.
- benevolent fund — a charitable organization
- benzal chloride — a colorless, oily liquid, C 7 H 6 Cl 2 , used chiefly in the synthesis of benzaldehyde, and in the manufacture of dyes.
- benzyl chloride — a colorless, corrosive liquid, C 7 H 7 Cl, used chiefly as an intermediate in the synthesis of benzyl compounds.
- benzyl fluoride — a colorless liquid, C 7 H 7 F, used in organic synthesis.
- bevelled mirror — a mirror with a bevelled edge
- beyond the pale — If you think that someone's actions or behaviour are not acceptable, you can say that they are beyond the pale.
- bidirectionally — in a bidirectional manner
- billings method — a natural method of birth control that involves examining the colour and viscosity of the cervical mucus to discover when ovulation is occurring
- biodestructible — biodegradable
- black horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- 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
- 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.
- 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.
- bo diddley beat — a type of syncopated Black rhythm, frequently used in rock music
- 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
- boiled dressing — a cooked salad dressing thickened with egg yolks and often containing mustard.
- boiled potatoes — potatoes, usually peeled, cooked in boiling water
- borderline case — a person or thing that is not clearly classifiable as something
- bottled in bond — stored in bonded warehouses for a stated length of time before being bottled, as some whiskey
- bottom-up model — (programming) A method for estimating the cost of a complete software project by combining estimates for each component.
- 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.
- break the mould — If you say that someone breaks the mould, you mean that they do completely different things from what has been done before or from what is usually done.
- bronzed grackle — the western subspecies of the American bird, the common grackle, Quiscalus quiscula versicolor, having bronzy, iridescent plumage.
- brooklyn bridge — a suspension bridge over the East River, in New York City, connecting Manhattan and Brooklyn: built 1867–84. 5989 feet (1825 meters) long.
- brownfield site — a disused site envisaged for redevelopment
- buffalo soldier — (formerly, especially among American Indians) a black soldier.
- building worker — a labourer, bricklayer, etc who works in the construction industry
- bulldog edition — the early edition of a morning newspaper, chiefly for out-of-town distribution
- bullnose header — bull header (def 1).
- bullnose-header — Also called bullnose header. a brick having one of the edges across its width rounded for laying as a header in a sill or the like.
- business double — a double made to increase the penalty points earned when a player believes the opponents cannot make their bid.
- cache la poudre — a river in N Colorado, flowing N and E to the South Platte River. 126 miles (203 km) long.
- cacodaemoniacal — Demonic; evil.
- caldecott award — an annual award in the U.S. for an outstanding illustrated juvenile book.
- calendarization — the process of calendarizing
- calvin coolidge — Calvin, 1872–1933, 30th president of the U.S. 1923–29.
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant