12-letter words containing n, o, i, r
- autographing — Present participle of autograph.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- autorotation — the continuous rotation of a body in an airflow, such as that of the rotor blades of a helicopter in an unpowered descent
- 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.
- baby monitor — a device that transmits sounds made by a baby to another room
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- bacon-slicer — a machine for cutting bacon into slices
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- banderillero — a bullfighter's assistant who sticks banderillas into the bull
- 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
- be in embryo — Something that is in embryo is at a very early stage of its development.
- bearing down — to hold up; support: to bear the weight of the roof.
- benzonitrile — a clear, colorless, viscous, poisonous liquid, C 7 H 5 N, used chiefly as an intermediate in organic synthesis.
- beta orionis — Rigel
- beta version — beta testing
- beyond price — invaluable or priceless
- bichon frise — a small white poodle-like dog of European origin, with a silky, loosely curling coat
- binary color — secondary color.
- bingo caller — the person who shouts out the numbers to bingo players
- binocularity — binocular characteristics
- bio-organism — a dangerous fast-proliferating organism that could be used as the basis of a biological weapon
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biocorrosion — corrosion caused by or enhanced by bacteria or other microorganisms; biologically induced corrosion.
- bioinorganic — pertaining to the biological activity of metal complexes and nonmetal compounds based on elements other than carbon (contrasted with bioorganic).
- biometrician — a person who is knowledgeable about biometry
- bioturbation — the stirring of sediment by organisms
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- bird colonel — a full colonel in the US Army
- bird-dogging — to follow, watch carefully, or investigate.
- bitter lemon — a non-alcoholic, fizzy drink with a lemon flavour
- bitter melon — balsam pear.
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- bletheration — nonsense!
- blind corner — a corner where the view of the road ahead is completely obscured or very restricted
- blind roller — a long ocean swell that rises almost to breaking as it passes over shoals.
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- boar-hunting — the practice of hunting wild boars
- boarding out — the local-authority practice of placing a client in a foster family or voluntary establishment and paying for it
- boardsailing — windsurfing
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat
- bodyboarding — the sport of surfing using a bodyboard
- bog-iron ore — a deposit of impure limonite formed in low, wet areas.
- bognor regis — a resort in S England, in West Sussex on the English Channel: electronics industries. Regis was added to the name after King George V's convalescence there in 1929. Pop: 62 141 (2001)
- bogon filter — /boh'gon fil'tr/ Any device, software or hardware, that limits or suppresses the flow and/or emission of bogons. "Engineering hacked a bogon filter between the Cray and the VAXen, and now we're getting fewer dropped packets." See also bogosity.
- boilermaking — metal-working in heavy industry; plating or welding