12-letter words containing b, i, o, a
- burro's tail — a succulent Mexican plant, Sedum morganianum, of the stonecrop family, bearing small, rose-colored flowers and long, hanging, nearly cylindrical stems with closely packed whitish-green leaves.
- button quail — any small quail-like terrestrial bird of the genus Turnix, such as T. sylvatica (striped button quail), occurring in tropical and subtropical regions of the Old World: family Turnicidae, order Gruiformes (cranes, rails, etc)
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- bypass ratio — the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them
- cabot strait — a channel in Canada, connecting the Gulf of St. Lawrence with the Atlantic Ocean. 68 miles (109 km) wide.
- cabriole leg — a type of furniture leg, popular in the first half of the 18th century, in which an upper convex curve descends tapering to a concave curve
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- calibrations — Plural form of calibration.
- camp bastion — a large British military base in Helmand province, Afghanistan, built in 2006
- cancerphobia — an excessive fear of getting cancer
- cannabinoids — Plural form of cannabinoid.
- carbocations — Plural form of carbocation.
- carbocholine — carbachol.
- carbon fiber — a very strong, lightweight synthetic fiber used in protective clothing, spacecraft components, racing shells, etc.
- carbon fibre — a black silky thread of pure carbon made by heating and stretching textile fibres and used because of its lightness and strength at high temperatures for reinforcing resins, ceramics, and metals, esp in turbine blades and for fishing rods
- carbonadoing — Present participle of carbonado.
- carbonatites — Plural form of carbonatite.
- cardiophobia — An inordinate fear of heart disease.
- carolina bay — any of the shallow, usually marshy, oval depressions found in the coastal plains of the eastern U.S. that are heavily forested and have rich soil.
- carotid body — a small mass of cells and nerve endings adjacent to the carotid sinus that, in response to chemical changes in the blood, adjusts the respiratory rate.
- cavity block — a precast concrete block that contains a cavity or cavities
- cebocephalic — Exhibiting or relating to cebocephaly.
- celebrations — Plural form of celebration.
- cerebrations — Plural form of cerebration.
- cerebrotonia — a personality type characterized by restraint, alertness, and an intellectual approach to life: said to be correlated with an ectomorph body type
- charbroiling — Present participle of charbroil.
- child labour — the full-time employment of children below a minimum age laid down by statute
- chimneyboard — a partition or a cover to shut off a fireplace
- chlorambucil — an alkylating drug derived from nitrogen mustard, administered orally in the treatment of leukaemia and other malignant diseases. Formula: C14H19Cl2NO2
- chromophobia — Lb biology The quality of being resistant to staining.
- chronophobia — Fear of the passing of time, or more generally of time itself.
- ciliary body — the part of the vascular tunic of the eye that connects the choroid with the iris
- cinnamon bun — a honey bun flavored with cinnamon and often containing raisins.
- circumboreal — of or having to do with plants and animals inhabiting boreal regions of North America and Eurasia
- clapboarding — Present participle of clapboard.
- clavicembalo — a harpsichord.
- coachability — a large, horse-drawn, four-wheeled carriage, usually enclosed.
- coachbuilder — (historical) A builder of horse-drawn coaches.
- coal-burning — fuelled by burning coal
- cobaltammine — any of the various complex derivatives of cobalt containing one or more molecules of ammonia bonded to the cobalt.
- cocaine bust — an arrest for the possession of cocaine
- coccobacilli — a spherelike bacillus.
- cocktail bar — a bar which serves cocktails
- cohabitating — cohabit.
- cohabitation — the state or condition of living together in a conjugal relationship without being married
- colacobiosis — (among social insects) life in which one species lives as a parasite in the community of another species.
- combat knife — a large knife for military use
- combinations — a one-piece woollen undergarment with long sleeves and legs
- commiserable — worthy of commiseration; pitiable
- communicable — A communicable disease is one that can be passed on to other people.