9-letter words containing i, o, n, a
- ballpoint — A ballpoint or a ballpoint pen is a pen with a very small metal ball at the end which transfers the ink from the pen onto a surface.
- bandicoot — any agile terrestrial marsupial of the family Peramelidae of Australia and New Guinea. They have a long pointed muzzle and a long tail and feed mainly on small invertebrates
- bandolier — a soldier's broad shoulder belt having small pockets or loops for cartridges
- bandoline — a glutinous hair dressing, used (esp formerly) to keep the hair in place
- bang into — a loud, sudden, explosive noise, as the discharge of a gun.
- bank giro — a British giro system operated by clearing banks to enable customers to pay sums of money to others by credit transfer
- baragouin — incomprehensible language; gibberish
- barbitone — a long-acting barbiturate used medicinally, usually in the form of the sodium salt, as a sedative or hypnotic
- barbotine — a type of clay paste used in making decorated pottery
- barcoding — The assignment of a barcode to a product and the printing of the barcode on the product.
- bardolino — a light dry red wine produced around Verona in NE Italy
- barenboim — Daniel. born 1942, Israeli concert pianist and conductor, born in Argentina
- baritonal — of or relating to a baritone
- baritones — Plural form of baritone.
- bartokian — characteristic of the music of Béla Bartók: driving, percussive, Bartokian rhythm.
- basilicon — any of a variety of healing ointments applied to wounds in early medicine, commonly using lard or oil, resin, and wax
- bastinado — punishment or torture in which the soles of the feet are beaten with a stick
- bastioned — Furnished with a bastion; having bastions.
- bathonian — of or relating to Bath
- battalion — A battalion is a large group of soldiers that consists of three or more companies.
- bazillion — a very large, indefinite number
- beaconing — a guiding or warning signal, as a light or fire, especially one in an elevated position.
- 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.
- boat nail — a nail with a convex head and a chisel point.
- 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
- boilerman — a man who looks after boilers
- boliviano — (until 1963 and from 1987) the standard monetary unit of Bolivia, equal to 100 centavos
- bombasine — bombazine.
- 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.
- bonilasse — an attractive young woman
- boogieman — bogeyman.
- borgesian — of Jorge Luis Borges or his works
- bostonian — a person from Boston
- botanical — Botanical books, research, and activities relate to the scientific study of plants.
- botanizer — a person who botanizes
- botulinal — of or relating to the bacterium Clostridium botulinum
- brainfood — any foodstuff containing nutrients thought to promote brain function, such as oily fish which is rich in omega-3 oils
- brainwork — intellectual effort
- brainworm — a microscopic, parasitic roundworm that infests the brain of large hoofed animals, as deer.