15-letter words containing a, k
- be a wake-up to — to be fully alert to (a person, thing, action, etc)
- be in the black — If a person or an organization is in the black, they do not owe anyone any money.
- beefsteak plant — an Asian plant, Perilla frutescens crispa, with aromatic red or green leaves which are used in cooking: family Lamiaceae
- berkeley castle — a castle in Gloucestershire: scene of the murder of Edward II in 1327
- beside the mark — not striking the point aimed at
- big black river — a river in N central Mississippi, flowing SW to the Mississippi River near Vicksburg. 330 miles (531 km) long.
- big sandy creek — a river in central Colorado, flowing NE and SE to the Arkansas River near Lamar: site of the 1864 Sand Creek Massacre. 200 miles (322 km) long.
- 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)
- black and white — In a black and white photograph or film, everything is shown in black, white, and grey.
- black guillemot — a common guillemot, Cepphus grylle: its summer plumage is black with white wing patches and its winter plumage white with greyish wings
- black horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- black marketeer — A black marketeer is someone who sells goods on the black market.
- 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 raspberry — a plant, Rubus occidentalis, of E North America, that has black berry-like fruits
- black sea bream — a sparid fish, Spondyliosoma cantharus, found in N Europe and the Mediterranean
- black september — a Palestinian Terrorist group, responsible for the assassinations of Israeli athletes at the Olympic Games at Munich in 1972
- 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.
- black-marketeer — to sell articles in the black market.
- blackberry bush — a bush on which blackberries grow
- blackberry lily — an ornamental Chinese iridaceous plant, Belamcanda chinensis, that has red-spotted orange flowers and clusters of black seeds that resemble blackberries
- blackwall hitch — a knot for hooking tackle to the end of a rope, holding fast when pulled but otherwise loose
- blagoveshchensk — a city and port in E Russia, in Siberia on the Amur River. Pop: 222 000 (2005 est)
- blank cartridge — a cartridge containing powder but no bullet: used in battle practice or as a signal
- 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.
- 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
- brackett series — a series of lines in the infrared spectrum of hydrogen.
- brake parachute — a parachute attached to the rear of a vehicle and opened to assist braking
- break and entry — breaking and entering.
- break statement — (programming) A statement in the C programming language that transfers control out of the innermost enclosing switch, while, do, or for statement. The statement also exists in languages derived from C, such as C++ and Java.
- 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.
- 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.
- break-out group — a group of people who detach themselves from a larger group or meeting in order to hold separate discussions
- breakbone fever — dengue
- breakdown cover — insurance cover against breakdowns in a vehicle
- breakeven chart — a graph measuring the value of an enterprise's revenue and costs against some index of its activity, such as percentage capacity. The intersection of the total revenue and total cost curves gives the breakeven point
- breakeven point — a point at which the total revenue and total cost are equal
- breakfast table — You refer to a table as the breakfast table when it is being used for breakfast.
- breaking plough — a plough with a long shallow mouldboard for turning virgin land or sod land
- breaking strain — the amount of strain that, if applied to a particular material, will cause it to break
- bronzed grackle — the western subspecies of the American bird, the common grackle, Quiscalus quiscula versicolor, having bronzy, iridescent plumage.
- brushback pitch — a fast ball deliberately thrown at or too near a batter's head
- bucket elevator — a chain of buckets for raising liquids or materials to a higher level
- buckinghamshire — a county in SE central England, containing the Vale of Aylesbury and parts of the Chiltern Hills: the geographic and ceremonial county includes Milton Keynes, which became an independent unitary authority in 1997. Administrative centre: Aylesbury. Pop (excluding Milton Keynes): 478 000 (2003 est). Area (excluding Milton Keynes): 1568 sq km (605 sq miles)
- bullock's heart — the large, edible fruit of a tropical American tree, Annona reticulata.