12-letter words containing a, n, t, i, o
- autoanalysis — Psychoanalysis. self-analysis.
- autoantibody — an antibody reacting with an antigen that is a part of the organism in which the antibody is formed
- autochthonic — pertaining to autochthons; aboriginal; indigenous (opposed to heterochthonous).
- 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.
- 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
- 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.
- balletomania — passionate enthusiasm for ballet
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- banalization — the process of becoming or making something banal
- bandoneonist — One who plays the bandoneon.
- bank deposit — money placed in a bank account
- barnstorming — A barnstorming performance is full of energy and very exciting to watch.
- barrow point — the northernmost tip of Alaska, on the Arctic Ocean
- 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.
- beacon light — a light signal for shipping
- beta orionis — Rigel
- beta version — beta testing
- bifunctional — having two functions
- binocularity — binocular characteristics
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biomagnetics — the study of magnetic fields as a form of therapy
- biomagnetism — animal magnetism.
- biometrician — a person who is knowledgeable about biometry
- biotechnical — relating to biotechnology
- bioturbation — the stirring of sediment by organisms
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- blastulation — the process of blastula formation
- bletheration — nonsense!
- bloodstained — Someone or something that is bloodstained is covered with blood.
- blotting-pad — an object to one side of which a piece of blotting paper is attached for blotting text handwritten in ink