12-letter words containing h, o, a
- 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).
- autographing — Present participle of autograph.
- autohypnosis — the process or result of self-induced hypnosis
- autohypnotic — Of or pertaining to autohypnosis; self-hypnotizing.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- autorhythmic — That generates its own rhythm.
- autorickshaw — (in India) a light three-wheeled vehicle driven by a motorcycle engine
- autotheistic — Self-worshiping; prideful in the extreme.
- axiom schema — (logic) A formula in the language of an axiomatic system, containing one or more. These metasyntactic variables (or "schematic variables") that stand for terms or subformulae. An example is the Axiom of Comprehension.
- aykhona wena — an exclamation expressive of surprise, pain, pleasure, etc
- 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 ghanouj — a Middle Eastern dish, a puree of broiled eggplant usually with garlic, lemon juice, and tahini, eaten with pita as an appetizer
- baby brother — a younger brother
- bachelor pad — a flat in which a bachelor lives
- bachelorette — A bachelorette is a woman who has never married.
- bachelorhood — the state of being a bachelor.
- bachelorship — the state of being a bachelor; bachelorhood
- bagworm moth — any moth of the family Psychidae
- band of hope — a society promoting lifelong abstention from alcohol among young people: founded in Britain in 1847
- bank holiday — A bank holiday is a public holiday.
- barophoresis — the diffusion of suspended particles at a rate dependent on external forces
- bashi-bazouk — a member of the notoriously brutal 19th-cent. Turkish irregulars
- bashibazouks — Plural form of bashibazouk.
- basset hound — A basset hound is a dog with short strong legs, a long body, and long ears. It is kept as a pet or used for hunting.
- bastel house — (on the Anglo-Scottish border) a partly fortified house, usually with a vaulted ground floor.
- bathmophobia — The fear of stairs and slopes.
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- bathophilous — (of an organism) living in very deep water
- baton charge — A baton charge is an attacking forward movement made by a large group of policemen carrying batons.
- battleworthy — capable of engaging in combat; ready for battle: a decline in the nation's battleworthy forces.
- beach-comber — a person who lives by gathering salable articles of jetsam, refuse, etc., from beaches.
- beachcombers — Plural form of beachcomber.
- beachcombing — The action of a beachcomber.
- beacon light — a light signal for shipping
- bean-shooter — peashooter.
- beaver cloth — beaver1 (def 8).
- behaviorally — manner of behaving or acting.
- behaviourism — Behaviourism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- betanaphthol — a colorless, crystalline isomer of naphthol, C10H8O, used as an antiseptic and parasiticide
- beyond reach — inaccessible
- bibliography — A bibliography is a list of books on a particular subject.
- bibliophobia — an aversion to books
- bibliothecal — relating to a bibliotheca
- biogeography — the branch of biology concerned with the geographical distribution of plants and animals
- biographical — Biographical facts, notes, or details are concerned with the events in someone's life.