15-letter words containing l, a, n
- bear animalcule — tardigrade (def 3).
- beat oneself up — to reproach oneself
- bedloe's island — Liberty Island
- beefsteak plant — an Asian plant, Perilla frutescens crispa, with aromatic red or green leaves which are used in cooking: family Lamiaceae
- belgian griffon — one of a variety of the Brussels griffon having a black or reddish-brown and black coat.
- 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
- belt-and-braces — providing double security, in case one security measure should fail
- belted sandfish — a sea bass, Serranus subligarius, inhabiting warm, shallow waters of the western Atlantic Ocean.
- 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.
- benzoglyoxaline — benzimidazole.
- benzyl benzoate — a colorless, faintly aromatic liquid, C 14 H 12 O 2 , used chiefly as a fixative and solvent in the manufacture of flavorings and perfume and in medicine in the treatment of certain skin conditions.
- benzyl butyrate — a liquid, C 11 H 14 O 2 , having a fruitlike odor, used as a plasticizer and in flavoring.
- bernoulli trial — one of a sequence of independent experiments each of which has the same probability of success, such as successive throws of a die, the outcome of which is described by a binomial distribution
- 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
- billing machine — a business machine used to itemize and total customer accounts, produce bills, post account records, etc.
- binomial series — an infinite series obtained by expanding a binomial raised to a power that is not a positive integer.
- bioaccumulation — the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue
- biomechanically — from a biomechanical point of view
- bishop auckland — a town in N England, in central Durham: seat of the bishops of Durham since the 12th century: light industries. Pop: 24 764 (2001)
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black and white — In a black and white photograph or film, everything is shown in black, white, and grey.
- black horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- black operation — a covert and undocumented military operation
- black snakeroot — a tall bugbane, Cimicifuga racemosa, of the buttercup family, of eastern North America, having thin, tapering, toothed or deeply cut leaflets and branched clusters of small, white flowers.
- black-and-white — displaying only black and white tones; without color, as a picture or chart: a black-and-white photograph.
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blagoveshchensk — a city and port in E Russia, in Siberia on the Amur River. Pop: 222 000 (2005 est)
- blanc de blancs — white wine, esp. champagne, made from white grapes
- blank cartridge — a cartridge containing powder but no bullet: used in battle practice or as a signal
- blasphemousness — the quality of being blasphemous
- 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
- blenheim palace — a palace in Woodstock in Oxfordshire: built (1705–22) by Sir John Vanbrugh for the 1st Duke of Marlborough as a reward from the nation for his victory at Blenheim; gardens laid out by Henry Wise and Capability Brown; birthplace of Sir Winston Churchill (1874)
- blindman's buff — a game in which a blindfolded player has to catch and identify another player
- 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.
- blueback salmon — sockeye salmon.
- 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
- boil-in-the-bag — (of food) able to be boiled in a sealed bag until ready to eat
- bologna sausage — a large smoked sausage made of seasoned mixed meats
- boolean algebra — a system of symbolic logic devised by George Boole to codify logical operations. It is used in computers
- borderline case — a person or thing that is not clearly classifiable as something
- bowel complaint — bowel disease or condition
- braille printer — (printer) (Or "(Braille) embosser") A printer, necessarily an impact printer, that renders text as Braille. Blind users call other printers ink printers.
- branchial cleft — Zoology. one of a series of slitlike openings in the walls of the pharynx between the branchial arches of fishes and aquatic amphibians through which water passes from the pharynx to the exterior.