8-letter words containing a, b, i, o
- biparous — producing offspring in pairs
- biramous — divided into two parts, as the appendages of crustaceans
- bismanol — a highly ferromagnetic alloy of bismuth and manganese, having a high degree of magnetic force.
- blastoid — a type of extinct echinoderm, which can be found in fossil form in regions of North America
- bloating — Bloating is the swelling of a body or part of a body, usually because it has a lot of gas or liquid in it.
- bloviate — to talk at length, esp in an insubstantial but inflated manner
- boadicea — Boudicca
- boardies — a pair of board shorts
- boarding — Boarding is an arrangement by which children live at school during the school term.
- boarfish — any of various spiny-finned marine teleost fishes of the genera Capros, Antigonia, etc, related to the dories, having a deep compressed body, a long snout, and large eyes
- boasting — to speak with exaggeration and excessive pride, especially about oneself.
- boatbill — a nocturnal tropical American wading bird, Cochlearius cochlearius, similar to the night herons but with a broad flattened bill: family Ardeidae, order Ciconiiformes
- boatlift — an evacuation or rescue by boat
- boatlike — resembling a boat
- boatslip — a docking place for a boat, as between wharves.
- boattail — a large species of blackbird, Quiscalus major, found in coastal areas of the southeastern US
- bocaccio — a species of rockfish, Sebastes paucispinis, commonly found along the west coast of North America
- bodleian — the principal library of Oxford University: a copyright deposit library
- boehmian — of or relating to Boehmenism.
- boeotian — a native or inhabitant of Boeotia, a region of ancient Greece
- boethian — Anicius Manlius Severinus [uh-nish-ee-uh s man-lee-uh s sev-uh-rahy-nuh s] /əˈnɪʃ i əs ˈmæn li əs ˌsɛv əˈraɪ nəs/ (Show IPA), a.d. 475?–525? Roman philosopher and statesman.
- bohemian — Bohemian means belonging or relating to Bohemia or its people.
- boilable — suitable or recommended for boiling: a diet of vegetables, rice, and other boilable foods.
- bolivian — Bolivian means belonging or relating to Bolivia or its people.
- boltonia — any North American plant of the genus Boltonia, having daisy-like flowers with white, violet, or pinkish rays: family Compositae (composites)
- bombilla — a tube or drinking straw with a strainer at one end, especially for drinking maté.
- bonafide — made, done, presented, etc., in good faith; without deception or fraud: a bona fide statement of intent to sell.
- bonavist — hyacinth bean.
- bondmaid — an unmarried female serf or slave
- boniface — Saint, original name Wynfrith. ?680–?755 ad, Anglo-Saxon missionary: archbishop of Mainz (746–755). Feast day: June 5
- bonytail — a fish, Gila elegans, found in the Colorado River, having flaring fins and a thin caudal peduncle.
- borachio — a wine carrier made from animal skin, used in Spain
- boracite — a white mineral that forms salt deposits of magnesium borate and chloride in orthorhombic crystalline form. Formula: Mg3ClB7O13
- borazine — a colorless liquid, B 3 N 3 H 6 , that hydrolyzes with water to form boron hydrides. It is the inorganic analogue of benzene with similar physical properties.
- borrelia — a genus of helical spirochete bacteria, some causing relapsing fever
- bostangi — a Turkish imperial guard
- botanica — a shop that sells herbs, charms, and other items associated with alternative medicine or magic
- botanist — A botanist is a scientist who studies plants.
- botanize — to collect or study plants
- boudicca — died 62 ad, a queen of the Iceni, who led a revolt against Roman rule in Britain; after being defeated she poisoned herself
- boulimia — bulimia.
- bovarism — an exaggerated, especially glamorized, estimate of oneself; conceit.
- box nail — a nail having a long shank, smooth or barbed, with a sharp point and a flat head.
- boyarism — the rule of the boyars
- bozzaris — Marco [mahr-koh] /ˈmɑr koʊ/ (Show IPA), 1788?–1823, Greek patriot.
- brachio- — indicating a brachium
- braciola — (in Italian cooking) a thin slice of pan-fried beef
- braciole — a flat piece of veal or beef rolled around a filling and baked in stock and wine.
- braconid — any member of the Braconidae, a family of parasitoid wasps
- brainbow — the result of a process by which the individual neurons of a brain can be mapped with fluorescent proteins under a light source