11-letter words containing a, t, o, r
- bartolommeo — Fra. original name Baccio della Porta. 1472–1517, Italian painter of the Florentine school, noted for his austere religious works
- basset horn — an obsolete woodwind instrument of the clarinet family
- bastard pop — a type of popular music in which two records, usually from different genres or eras, are blended together into a whole, often using the vocal performance from one and the instrumental from the other
- bastard son — an illegitimate son
- bath oliver — a kind of unsweetened biscuit
- bathometers — Plural form of bathometer.
- baton rouge — the capital of Louisiana, in the SE part on the Mississippi River. Pop: 225 090 (2003 est)
- batter down — If you batter a door down, you hit it so hard that it falls to pieces.
- battledores — Plural form of battledore.
- battlefront — the front line of a battle, where the action takes place
- be great on — to be informed about
- bean sprout — Bean sprouts are small, long, thin shoots grown from beans. They are frequently used in Chinese cookery.
- beancounter — Alternative spelling of bean counter.
- beanshooter — peashooter
- bear's-foot — either of two Eurasian hellebore plants, Helleborus foetidus or H. viridis, having leaves shaped like the foot and claws of a bear
- beardtongue — a plant of the genus Penstemon
- bedroom tax — a reduction in housing benefit for occupants of council housing who have more rooms than they are deemed to require
- behaviorist — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
- belowstairs — (formerly) at or in the basement of a large house, considered as the place where the servants live and work
- ben trovato — appropriate and characteristic even if untrue; happily invented or discovered.
- benefactory — relating to a benefactor; beneficial
- bibliolater — someone who reveres the Bible
- bibliolatry — excessive devotion to or reliance on the Bible
- bicarbonate — a salt of carbonic acid containing the ion HCO3–; an acid carbonate
- bicorporate — having two bodies
- bifurcation — the act or fact of bifurcating
- bioaeration — the oxidative treatment of raw sewage by aeration
- biomaterial — a synthetic material used in prostheses or the replacement of natural body tissues
- biometrical — pertaining to biometry
- bipartition — divided into or consisting of two parts.
- black frost — a frost without snow or rime that is severe enough to blacken vegetation
- 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
- blastospore — a spore formed by budding, as in certain fungi
- 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.
- boatbuilder — A boatbuilder is a person or company that makes boats.
- boilerplate — A boilerplate is a basic written contract that can be used to make many different kinds of contracts.
- boldhearted — courageous or daring; intrepid.
- 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.
- 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
- bondservant — a serf or slave