9-letter words containing o, n, b, a
- bazillion — a very large, indefinite number
- beaconage — a number or system of beacons.
- beaconing — a guiding or warning signal, as a light or fire, especially one in an elevated position.
- bean shot — refined copper having a shotlike form from being thrown into water in a molten state.
- bean town — Boston, Mass. (used as a nickname).
- beanpoles — Plural form of beanpole.
- bear down — If someone or something bears down on you, they move quickly towards you in a threatening way.
- beat down — When the sun beats down, it is very hot and bright.
- beat-down — to strike violently or forcefully and repeatedly.
- beaverton — a town in NW Oregon.
- bel canto — a style of singing characterized by beauty of tone rather than dramatic power
- belafonte — Harry, born 1922, U.S. singer and actor.
- belomancy — the art of divination using arrows
- ben hogan — Ben, 1912–97, U.S. golfer.
- beta iron — a nonmagnetic allotrope of pure iron stable between 770°C and 910°C
- biconcave — (of a lens) having concave faces on both sides; concavo-concave
- biconical — an object shaped like two cones with their bases together.
- billabong — a backwater channel that forms a lagoon or pool
- binocular — involving, relating to, seeing with or intended for both eyes
- binominal — of or denoting the binomial nomenclature
- binovular — relating to or derived from two different ova
- bioparent — a biological parent
- bioweapon — Bioweapons are biological weapons.
- bissonata — a coarse woolen cloth constructed in plain weave and dyed black or brown, used in the manufacture of clerical vestments.
- blacktown — a city in New South Wales, SE Australia, near Sydney.
- bladebone — the scapula, or shoulder blade.
- bland out — to become bland
- blank out — If you blank out a particular feeling or thought, you do not allow yourself to experience that feeling or to have that thought.
- blankbook — a book containing blank pages, as a notebook or sketchbook.
- blue roan — a horse having a black coat sprinkled with white hairs
- boanerges — a nickname applied by Jesus to James and John in Mark 3:17
- boarhound — a hound used to chase boar
- boat nail — a nail with a convex head and a chisel point.
- boat neck — a high slitlike neckline of a garment that extends onto the shoulders
- boatswain — a petty officer on a merchant ship or a warrant officer on a warship who is responsible for the maintenance of the ship and its equipment
- bobbejaan — a baboon
- body plan — Biology. the basic shape of members of an animal phylum; the general structure each individual organism assumes as it develops. Compare bilateral symmetry, radial symmetry.
- boilerman — a man who looks after boilers
- bojangles — Bill ("Bojangles") 1878–1949, U.S. tap dancer.
- boliviano — (until 1963 and from 1987) the standard monetary unit of Bolivia, equal to 100 centavos
- boltzmann — Ludwig (ˈluːtvɪç). 1844–1906, Austrian physicist. He established the principle of the equipartition of energy and developed the kinetic theory of gases with J. C. Maxwell
- bombardon — a brass instrument of the tuba type, similar to a sousaphone
- bombasine — bombazine.
- bombazeen — a twill fabric constructed of a silk or rayon warp and worsted filling, often dyed black for mourning wear.
- bombazine — a twilled fabric, esp one with a silk warp and worsted weft, formerly worn dyed black for mourning
- bombinate — to make a buzzing noise
- bona fide — If something or someone is bona fide, they are genuine or real.
- bonaparte — Jérôme (ʒerom), brother of Napoleon I. 1784–1860, king of Westphalia (1807–13)
- bondslave — a person held in bondage.
- bondwoman — a female serf or slave