12-letter words containing i, o, a, n
- automobiling — (dated) present participle of automobile.
- autorotation — the continuous rotation of a body in an airflow, such as that of the rotor blades of a helicopter in an unpowered descent
- autoxidation — oxidation by exposure to atmospheric oxygen
- autumn olive — a spiny shrub (Elaeagnus umbellata) of the oleaster family, having leaves covered with silvery or brown scales
- avitaminosis — any disease caused by a vitamin deficiency in the diet
- avitaminotic — of or relating to avitaminosis
- ayuntamiento — (in Spain) a municipal council
- azathioprine — a synthetic drug that suppresses the normal immune responses of the body and is administered orally during and after organ transplantation and also in certain types of autoimmune disease. Formula: C9H7N7O2S
- azithromycin — A macrolide antibiotic derived from erythromycin.
- babingtonite — a rare, slightly magnetic, black or dark green silicate mineral, Ca2Fe2Si5O14OH, found in cavities in volcanic rock
- baby monitor — a device that transmits sounds made by a baby to another room
- back molding — a molding, as a backband, applied to interior window and door trim to conceal the edge of the wall surface.
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- backsolution — The process or result of backsolving.
- backstopping — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- bacon-slicer — a machine for cutting bacon into slices
- balletomania — passionate enthusiasm for ballet
- balloon sail — a large light bellying sail used in light winds
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- balloon vine — a tropical tendril-climbing sapindaceous plant, Cardiospermum halicacabum, cultivated for its ornamental balloon-like seed capsules
- banalization — the process of becoming or making something banal
- banderillero — a bullfighter's assistant who sticks banderillas into the bull
- bandoneonist — One who plays the bandoneon.
- bank deposit — money placed in a bank account
- bank holiday — A bank holiday is a public holiday.
- banksia rose — a climbing rose, Rosa banksiae, native to China, having long, serrated leaves and white or yellow flowers.
- barking frog — a robber frog, Hylactophryne augusti, of Texas, New Mexico, and Mexico, having a call like a dog's bark.
- barnstorming — A barnstorming performance is full of energy and very exciting to watch.
- barodynamics — the branch of mechanics concerned with heavy structures
- barrow point — the northernmost tip of Alaska, on the Arctic Ocean
- base bullion — smelted lead containing impurities, as gold, silver, or zinc, that are later removed.
- base station — a fixed transmitter that forms part of an otherwise mobile radio network
- basification — the process of making something alkaline
- basing point — a geographical location from which freight charges are computed by the seller regardless of the point from which the goods are shipped.
- bastinadoing — Present participle of bastinado.
- beachcombing — The action of a beachcomber.
- beacon light — a light signal for shipping
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- bead molding — bead (def 12).
- bearing down — to hold up; support: to bear the weight of the roof.
- bed of nails — a situation or position of extreme difficulty
- benzoic acid — a white crystalline solid occurring in many natural resins, used in the manufacture of benzoates, plasticizers, and dyes and as a food preservative (E210). Formula: C6H5COOH
- beta orionis — Rigel
- beta version — beta testing
- bibliomaniac — excessive fondness for acquiring and possessing books.
- bifunctional — having two functions
- bill and coo — the parts of a bird's jaws that are covered with a horny or leathery sheath; beak.
- binary color — secondary color.
- bingo caller — the person who shouts out the numbers to bingo players
- binocularity — binocular characteristics