12-letter words containing o, n, a
- autoantibody — an antibody reacting with an antigen that is a part of the organism in which the antibody is formed
- autochangers — Plural form of autochanger.
- autochthonal — Existing where it was formed or born; native, aboriginal, indigenous.
- autochthones — Alternative spelling of autochthons.
- autochthonic — pertaining to autochthons; aboriginal; indigenous (opposed to heterochthonous).
- autogenously — In an autogenous manner; spontaneously.
- autographing — Present participle of autograph.
- autohypnosis — the process or result of self-induced hypnosis
- autohypnotic — Of or pertaining to autohypnosis; self-hypnotizing.
- autoignition — Automotive. the spontaneous ignition of fuel when introduced into the combustion chamber of an internal-combustion engine, as a result either of glowing carbon in the chamber or of the heat of compression.
- autoimmunity — (pathology, immunology) The condition where one's immune system attacks one's own tissues, i.e., an autoimmune disorder.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- automatizing — Present participle of automatize.
- automobiling — (dated) present participle of automobile.
- autonomously — Government. self-governing; independent; subject to its own laws only. pertaining to an autonomy, or a self-governing community.
- 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
- averruncator — a long pair of shears used for pruning the higher branches of trees
- avitaminosis — any disease caused by a vitamin deficiency in the diet
- avitaminotic — of or relating to avitaminosis
- avowableness — the quality or condition of being avowable
- aykhona wena — an exclamation expressive of surprise, pain, pleasure, etc
- 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.
- azophenylene — phenazine.
- baba gannouj — a salad of cooked eggplant, olive oil, garlic, etc.
- baba ghanouj — a Middle Eastern dish, a puree of broiled eggplant usually with garlic, lemon juice, and tahini, eaten with pita as an appetizer
- 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
- baby-bouncer — a seat on springs suspended from a door frame, etc, in which a baby may be placed for exercise
- back country — The back country is an area that is a long way from any city and has very few people living in it.
- back molding — a molding, as a backband, applied to interior window and door trim to conceal the edge of the wall surface.
- backboneless — lacking backbone; cowardly
- backcourtman — any of the players stationed in the backcourt; a guard
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- backgrounded — Simple past tense and past participle of background.
- backgrounder — A backgrounder is a short article in a newspaper or magazine that provides background information about a particular subject.
- 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.
- backswordman — a person who uses a backsword.
- backwoodsman — Backwoodsmen are people, especially politicians, who like the old ways of doing things, or who are involved in an organization at a local level.
- backwoodsmen — Plural form of backwoodsman.
- bacon-slicer — a machine for cutting bacon into slices
- bad scran to — bad luck to
- baden-powell — Robert Stephenson Smyth (smɪθ, smaɪθ), 1st Baron Baden-Powell. 1857–1941, British general, noted for his defence of Mafeking (1899–1900) in the Boer War; founder of the Boy Scouts (1908) and (with his sister Agnes) the Girl Guides (1910)
- baker's oven — an oven used esp for baking bread
- ball control — the skill of controlling the ball in a game such as football or tennis
- balladmonger — (formerly) a seller of ballads, esp on broadsheets