11-letter words containing o, b, t, a
- bipartition — divided into or consisting of two parts.
- bisectional — relating to division into two equal parts
- bisociation — the association of one idea with two different contexts
- bisociative — relating to bisociation
- bitmap font — a font format in which letters and symbols are stored as a pattern of dots
- black frost — a frost without snow or rime that is severe enough to blacken vegetation
- black volta — a river in W Africa, rising in SW Burkina Faso and flowing northeast, then south into Lake Volta: forms part of the border of Ghana with Burkina-Faso and with Côte d'Ivoire. Length: about 800 km (500 miles)
- black vomit — vomit containing blood, often a manifestation of disease, such as yellow fever
- blacktongue — canine pellagra.
- bladderwort — any aquatic plant of the genus Utricularia, some of whose leaves are modified as small bladders to trap minute aquatic animals: family Lentibulariaceae
- blameworthy — deserving disapproval or censure
- blanket bog — a very acid peat bog, low in nutrients, extending widely over a flat terrain, found in cold wet climates
- blastochyle — the fluid in a blastocoel
- blastocoele — the segmentation cavity of a developing ovum or of the blastula
- blastospore — a spore formed by budding, as in certain fungi
- blastostyle — the central rodlike portion of a gonangium, upon which buds that develop into medusae are formed.
- bloatedness — the state of being swollen, as with a liquid, air, or wind
- block grant — (in Britain) an annual grant made by the government to a local authority to help to pay for the public services it provides, such as health, education, and housing
- block party — A block party is an outdoor party for all the residents of a block or neighborhood.
- block trade — the purchase and sale of blocks of securities through brokers, sometimes not members of an exchange, who negotiate between buyers and sellers.
- bloodstream — Your bloodstream is the blood that flows around your body.
- boat anchor — 1. Like doorstop but more severe; implies that the offending hardware is irreversibly dead or useless. "That was a working motherboard once. One lightning strike later, instant boat anchor!" 2. A person who just takes up space. 3. Obsolete but still working hardware, especially when used of an old S100-bus hobbyist system; originally a term of annoyance, but became more and more affectionate as the hardware became more and more obsolete.
- boat people — Boat people are people who escape from their country in small boats to travel to another country in the hope that they will be able to live there.
- boat-shaped — shaped like a boat
- boatbuilder — A boatbuilder is a person or company that makes boats.
- boatmanship — boatsmanship.
- bodhisattva — (in Mahayana Buddhism) a divine being worthy of nirvana who remains on the human plane to help men to salvation
- body cavity — the internal cavity of any multicellular animal that contains the digestive tract, heart, kidneys, etc. In vertebrates it develops from the coelom
- body combat — a type of fitness programme in which individuals perform non-contact martial arts moves to music
- boilerplate — A boilerplate is a basic written contract that can be used to make many different kinds of contracts.
- boldhearted — courageous or daring; intrepid.
- bolt-action — (of a rifle) equipped with a manually operated sliding bolt.
- bomb crater — the crater in the ground, pavement, etc, left in the aftermath of an explosion
- bombardment — A bombardment is a strong and continuous attack of gunfire or bombing.
- bombilation — a humming or buzzing sound, for example that of a bee
- bombination — to make a humming or buzzing noise.
- bon appetit — enjoy your meal
- bonapartism — a political system resembling the rules of the Bonapartes, esp Napoleon I and Napoleon III: centralized government by a military dictator, who enjoys popular support given expression in plebiscites
- bonapartist — an adherent of the Bonapartes or their policies.
- bonaventura — Saint, called the Seraphic Doctor. 1221–74, Italian Franciscan monk, mystic, theologian, and philosopher; author of a Life of St Francis and Journey of the Soul to God. Feast day: July 14
- bonaventure — Saint ("the Seraphic Doctor") 1221–74, Italian scholastic theologian.
- bond market — the market in which bonds are traded
- bondability — something that binds, fastens, confines, or holds together.
- bondservant — a serf or slave
- booby hatch — a hoodlike covering for a hatchway on a ship
- book jacket — a removable paper cover used to protect a bound book
- boost phase — the portion of the flight of a ballistic missile or spacecraft during which the booster and sustainer engines operate to bring it near or to peak velocity.
- boost-start — jump-start.
- borstal boy — (formerly) a boy sent to borstal
- boston crab — a wrestling hold in which a wrestler seizes both or one of his opponent's legs, turns him face downwards, and exerts pressure over his back