15-letter words containing e, l, d, r
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- banner headline — A banner headline is a large headline in a newspaper that stretches across the front page.
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barley sandwich — a drink of beer, esp at lunch time
- battle hardened — toughened by the experience of battle
- be delivered of — to give birth to
- beach goldenrod — a composite plant, Solidago sempervirens, of eastern and southern North America, having a thick stem and large, branched, one-sided terminal clusters of yellow flowers, flourishing on sea beaches or salt marshes.
- bearded vulture — lammergeier
- bedroom slipper — a soft shoe worn in the house
- belt-and-braces — providing double security, in case one security measure should fail
- benedict arnold — Benedict, 1741–1801, American general in the Revolutionary War who became a traitor.
- 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
- bidirectionally — in a bidirectional manner
- bilateral trade — a system of trading between two countries in which each country attempts to balance its trade with that of the other
- 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
- blank cartridge — a cartridge containing powder but no bullet: used in battle practice or as a signal
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blending center — A blending center is a place for mixing fluids, gases, and powders.
- blessed trinity — Trinity (def 1).
- 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
- 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.
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- blue-eyed grass — any of various mainly North American iridaceous marsh plants of the genus Sisyrinchium that have grasslike leaves and small flat starlike blue flowers
- 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.
- borderline case — a person or thing that is not clearly classifiable as something
- braille display — (hardware) (Or "refreshable braille display", "refreshable display") An electromechanical device that renders braille with tiny, independently controlled pins used to represent the state of dots in braille cells. Each pin, in its "on" state, raises above the top of its hole in the screen; in its "off" state, it drops below the top of its hole. Older systems used tiny solenoids to control the state of the pins; modern systems are piezoelectric. Typical dimensions of a braille display are 1 line of 40 cells, each cell of two-by-eight dots.
- 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.
- breech delivery — birth of a baby with the feet or buttocks appearing first
- bridge-building — efforts to establish communications and friendly contacts between people in order to make them friends or allies
- brill's disease — a form of epidemic typhus fever in which the disease recurs years after the original infection
- 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
- brunner's gland — any of the glands in the submucosal layer of the duodenum, secreting an alkaline fluid into the small intestine.
- buffalo soldier — (formerly, especially among American Indians) a black soldier.
- building permit — a permit for construction work
- building trades — the trades and professions concerned with the creation and finishing of buildings, such as carpenters, plasterers, masons, electricians, etc.
- building worker — a labourer, bricklayer, etc who works in the construction industry