13-letter words containing a, b, u
- buck sergeant — a newly promoted sergeant
- bucket ladder — a series of buckets that move in a continuous chain, used to dredge riverbeds, etc, or to excavate land
- buckeye state — Ohio (used as a nickname).
- bud variation — any variation in a bud due to changes in either its genetic composition or environment or both such that the resulting flower, fruit, or shoot differs from others of the same plant or species.
- buenas noches — good night
- bufadienolide — any of a family of steroid lactones, occurring in toad venom and squill, that possess cardiac-stimulating and antitumor activity.
- buffalo berry — a shrub (genus Shepherdia) of the oleaster family, native to W North America, with silvery leaves
- buffalo chips — the dried dung of buffalo used as fuel, especially by early settlers on the western plains.
- buffalo cloth — a heavyweight woolen fabric constructed in twill weave and having a shaggy pile.
- buffalo grass — a short grass, Buchloë dactyloides, growing on the dry plains of the central US
- buffalo grove — a city in NE Illinois.
- buffalo plaid — a plaid with large blocks formed by the intersection of two different-color yarns, typically red and black.
- buffalo wings — spicy fried segments of chicken wings, usually served with celery sticks and a sauce of blue cheese
- building land — land on which construction can take place
- built-up mast — a wooden mast formed of several shaped, longitudinal pieces joined together.
- bulbourethral — of or relating to the rounded mass of tissue surrounding the urethra at the root of the penis.
- bulkhead deck — the uppermost continuous deck in the hull of a vessel, forming watertight compartments with the main transverse bulkheads.
- bull elephant — an adult male elephant
- bullace grape — the thick-skinned musk-scented purple grape produced by this plant: used to make wine
- bullet-headed — with a head shaped like a bullet
- bullhead rail — a rail having a cross section with a bulbous top and bottom, the top being larger
- bully-ragging — to bully; harass: to bullyrag fraternity plebs.
- bumble around — When someone bumbles around or bumbles about, they behave in a confused, disorganized way, making mistakes and usually not achieving anything.
- bums on seats — If the organizers of an event such as a concert want to put bums on seats, they want a lot of people to attend it.
- bundle sheath — a layer of cells in plant leaves and stems that surrounds a vascular bundle.
- buoyancy tank — an enclosed air-filled section of a boat, ship or hovercraft designed to keep it afloat and prevent it from sinking
- buoyant force — the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body.
- bureaucratese — wordy, jargon-filled, overcomplicated language considered typical of bureaucrats
- bureaucratism — an official of a bureaucracy.
- bureaucratist — a believer in bureaucracy
- bureaucratize — to administer by or transform into a bureaucracy
- burgess shale — a bed of Cambrian sedimentary rock in the Rocky Mountains in British Columbia containing many unique invertebrate fossils
- burglar alarm — A burglar alarm is an electric device that makes a bell ring loudly if someone tries to enter a building by force.
- burglar-proof — designed to be secure and to frustrate any attempted burglary
- burglariously — in the manner of a burglar or buglary
- burial ground — A burial ground is a place where bodies are buried, especially an ancient place.
- buridan's ass — an example intended to show the deficiency of reason. An ass standing equidistant from two identical heaps of oats starves to death because reason provides no grounds for choosing to eat one rather than the other
- burmese glass — an American art glass of the late 19th century, ranging from greenish-yellow to pink.
- burnham scale — the salary scale for teachers in English state schools, which is revised periodically
- burning glass — a convex lens for concentrating the sun's rays into a small area to produce heat or fire
- burt standish — Burt L. pseudonym of Gilbert Patten.
- bus mastering — bus master
- business card — A person's business card or their card is a small card which they give to other people, and which has their name and details of their job and company printed on it.
- business case — a briefcase or attaché case.
- business park — an area specially designated and landscaped to accommodate business offices, warehouses, light industry, etc
- business plan — A business plan is a detailed plan for setting up or developing a business, especially one that is written in order to borrow money.
- businesswoman — A businesswoman is a woman who works in business.
- bustard quail — button quail.
- bustard-quail — any of several birds of the family Turnicidae, of warmer parts of the Old World, resembling but not related to the true quail. Also called bustard quail, hemipode.
- buster collar — a round collar, similar to a lampshade in shape, that is fitted round the neck of an animal or bird, for example to prevent it removing or interfering with a dressing or other treatment