12-letter words containing h, o
- 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.
- b chromosome — a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
- b lymphocyte — B cell.
- b-lymphocyte — a type of lymphocyte, originating in bone marrow, that produces antibodies
- 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.
- be done with — to end relations with
- be no slouch — If you say that someone is no slouch at a particular activity, you mean that they are skilful at it or are willing to work hard at it.
- be one thing — You can say that the first of two ideas, actions, or situations is one thing when you want to contrast it with a second idea, action, or situation and emphasize that the second one is much more difficult, important, or extreme.
- 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).
- bedfordshire — a county of S central England, administered since 2009 by the unitary authorities of Bedford and Central Bedfordshire: mainly low-lying, with the Chiltern Hills in the south: the geographical county includes Luton, which became a separate unitary authority in 1997. Area (excluding Luton): 1192 sq km (460 sq miles)
- beehive tomb — a type of subterranean tomb of the Mycenaean civilization consisting of a domed chamber entered by a passage through a hillside.
- behaviorally — manner of behaving or acting.