20-letter words containing a, h, o
- forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
- fourteenth amendment — an amendment to the U.S. Constitution, ratified in 1868, defining national citizenship and forbidding the states to restrict the basic rights of citizens or other persons.
- fourth international — a loose federation of small groups of radical socialists formed in 1936 under the leadership of Leon Trotsky and hostile to the Soviet Union. Compare international (def 6).
- frankfurt horizontal — Craniometry. the plane established when right and left poria and left orbitale are in the same horizontal plane.
- freight pass-through — a special allowance or discounted price given a bookseller or bookstore by a publishing house for paying the freight charge on a shipment of books ordered: so called because the shipping charge is passed on to the consumer by an increase in the suggested retail price for each book. Abbreviation: FPT.
- friar minor capuchin — capuchin (def 4).
- friends of the earth — an organization of environmentalists and conservationists whose aim is to promote the sustainable use of the earth's resources
- frosting on the cake — a sweet mixture, cooked or uncooked, for coating or filling cakes, cookies, and the like; icing.
- full to the gunwales — completely full; full to overflowing
- gaff-topsail catfish — a sea catfish, Bagre marinus, occurring in the Atlantic and the Gulf of Mexico from Cape Cod to Panama, and having the spine of the dorsal fin greatly prolonged and flattened.
- generative phonology — a theory of phonology that uses a set of rules to derive phonetic representations from abstract underlying forms.
- get ahold of oneself — If you get ahold of yourself, you force yourself to become calm and sensible after a shock or in a difficult situation.
- get one's hackles up — to become tense with anger; bristle
- give a wide berth to — to keep clear of; avoid
- give one's right arm — to be prepared to make any sacrifice
- give someone the air — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
- glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
- go against the grain — If you say that an idea or action goes against the grain, you mean that it is very difficult for you to accept it or do it, because it conflicts with your previous ideas, beliefs, or principles.
- go like the clappers — to move extremely fast
- go to someone's head — to confuse, excite, or intoxicate someone
- goldenhar's syndrome — a congenital disorder in which one side of the face is malformed, often with an enlargement of one side of the mouth. There may also be hearing loss, curvature of the spine, and mild retardation
- grade school teacher — a teacher in a grade school
- grand unified theory — a possible future quantum field theory that would encompass both the electroweak theory and quantum chromodynamics. Abbreviation: GUT.
- graphics accelerator — (graphics, hardware) Hardware (often an extra circuit board) to perform tasks such as plotting lines and surfaces in two or three dimensions, filling, shading and hidden line removal.
- great northern diver — a large northern bird, Gavia immer, with a black-and-white chequered back and a black head and neck in summer: family Gaviidae (divers)
- greenwich hour angle — hour angle measured from the meridian of Greenwich, England.
- grievous bodily harm — law: serious injury
- guarded horn clauses — (language) (GHC) A parallel dialect of Prolog by K. Ueda in which each clause has a guard. GHC is similar to Parlog. When several clauses match a goal, their guards are evaluated in parallel and the first clause whose guard is found to be true is used and others are rejected. It uses committed-choice nondeterminism. See also FGHC, KL1.
- hail-fellow-well-met — friendly but insincere
- hampton court palace — a royal palace in Hampton, London, built in 1515 by Cardinal Wolsey
- hang up one's spikes — to retire, as from a professional sport
- happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
- harmonic minor scale — minor scale (def 1).
- harmonic progression — a series of numbers the reciprocals of which are in arithmetic progression.
- hate a person's guts — to dislike a person very strongly
- have come a long way — If you say that someone or something has come a long way, you mean that they have developed, progressed, or become very successful.
- have had one's chips — to be defeated, condemned to die, killed, etc
- he's no oil painting — he is not good-looking
- health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
- heat of condensation — the heat liberated by a unit mass of gas at its boiling point as it condenses to a liquid: equal to the heat of vaporization.
- heat of vaporization — the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
- helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- helmeted guinea fowl — the common guinea fowl in its wild state.
- heston and isleworth — a former borough, now part of Hounslow, in SE England, near London.
- heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
- hexadecimal notation — a number system having a base 16; the symbols for the numbers 0–9 are the same as those used in the decimal system, and the numbers 10–15 are usually represented by the letters A–F. The system is used as a convenient way of representing the internal binary code of a computer
- hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
- hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.
- hildegard von bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
- historical sociology — the sociological study of the origins and development of societies and of other social phenomena that seeks underlying laws and principles.