7-letter words containing a, b, o, i
- biobank — any large store of human biological samples for research into the genetic and environmental causes of disease
- biodata — information regarding an individual's education and work history, esp in the context of a selection process
- biofact — an item of biological information
- biomass — the total number of living organisms in a given area, expressed in terms of living or dry weight per unit area
- bioplay — a play based on the life of a famous person, esp one giving a popular treatment
- biovars — a group of microorganisms, usually bacteria, that have identical genetic but different biochemical or physiological characters.
- bipolar — suffering from bipolar manic-depressive disorder
- bitonal — consisting of black and white tones
- bivouac — A bivouac is a temporary camp made by soldiers or mountain climbers.
- bizarro — bizarre
- bizonal — of or relating to two administrative zones
- boabdil — original name Abu-Abdullah, called El Chico, ruled as Mohammed XI. died ?1538, last Moorish king of Granada (1482–83; 1486–92)
- boarish — coarse, cruel, or sensual
- boating — Boating is travelling on a lake or river in a small boat for pleasure.
- bobtail — a docked or diminutive tail
- boeotia — a region of ancient Greece, northwest of Athens. It consisted of ten city-states, which formed the Boeotian League, led by Thebes: at its height in the 4th century bc
- bohemia — a former kingdom of central Europe, surrounded by mountains: independent from the 9th to the 13th century; belonged to the Hapsburgs from 1526 until 1918
- boiardo — Matteo Maria (matˈtɛːo maˈria), conte de Scandiano. 1434–94, Italian poet; author of the historical epic Orlando Innamorato (1487)
- boileau — Nicolas (nikɔlɑ). full name Nicolas Boileau-Despréaux. 1636–1711, French poet and critic; author of satires, epistles, and L'Art poétique (1674), in which he laid down the basic principles of French classical literature
- bolivar — the standard monetary unit of Venezuela, equal to 100 céntimos
- bolivia — an inland republic in central S America: original Aymara Indian population conquered by the Incas in the 13th century; colonized by Spain from 1538; became a republic in 1825; consists of low plains in the east, with ranges of the Andes rising to over 6400 m (21 000 ft) and the Altiplano, a plateau averaging 3900 m (13 000 ft) in the west; contains some of the world's highest inhabited regions; important producer of tin and other minerals. Official languages: Spanish, Quechua, and Aymara. Religion: Roman Catholic. Currency: boliviano. Capital: La Paz (administrative); Sucre (judicial). Pop: 10 461 053 (2013 est). Area: 1 098 580 sq km (424 260 sq miles)
- bon ami — a good friend.
- bonaire — an island in the S Caribbean, part of the Netherlands Antilles until their dissolution in 2010, now a special municipality of the Netherlands: one of the Leeward Islands. Chief town: Kralendijk. Pop: 11 537 (2007 est). Area: about 288 sq km (111 sq miles)
- bonamia — a parasite (Bonamia ostreae) which causes the disease bonamiasis in oysters
- boniato — a variety of sweet potato grown in the Caribbean
- bononia — a city in N Italy, at the foot of the Apennines: became a free city in the Middle Ages; university (1088). Pop: 371 217 (2001)
- boothia — Gulf ofinlet of the Arctic Ocean between Boothia Peninsula & Baffin Island
- boracic — boric
- boronia — any aromatic rutaceous shrub of the Australian genus Boronia
- bosnian — of or relating to Bosnia or its inhabitants
- botanic — Botanic means the same as botanical.
- bothnia — Gulf ofarm of the Baltic Sea, between Finland & Sweden
- braccio — an Italian unit of measurement based on the length of a man's arm and roughly equivalent to two feet
- cabildo — a municipal council, or a town hall, in Latin America
- cabrito — the flesh of a young goat, used as food
- cacimbo — a heavy mist or drizzle that occurs in the Congo basin area, often accompanied by onshore winds.
- cambion — Lb mythology The offspring of an incubus and a human.
- caribou — A caribou is a large north American deer.
- ciboria — Plural form of ciborium.
- coalbin — a bin for holding coal
- cohabit — If two people are cohabiting, they are living together and have a sexual relationship, but are not married.
- coimbra — a city in central Portugal: capital of Portugal from 1190 to 1260; seat of the country's oldest university. Pop: 148 474 (2001)
- copaiba — a transparent yellowish viscous oleoresin obtained from certain tropical South American trees of the leguminous genus Copaifera: used in varnishes and ointments
- corbina — a marine food fish, Menticirrhus undulatus, found in Pacific waters off Mexico and California
- daboias — Plural form of daboia.
- dazibao — (in China) a wallposter.
- diablos — Plural form of diablo.
- diabolo — a game in which one throws and catches a spinning top on a cord fastened to two sticks held in the hands
- fibroma — a tumor consisting essentially of fibrous tissue.
- gabions — Plural form of gabion.