20-letter words containing h, a, u
- get one's hackles up — to become tense with anger; bristle
- glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
- grand unified theory — a possible future quantum field theory that would encompass both the electroweak theory and quantum chromodynamics. Abbreviation: GUT.
- 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.
- guillaume de machaut — Guillaume de [French gee-yohm duh] /French giˈyoʊm də/ (Show IPA), Guillaume de Machaut.
- 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.
- hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
- harvard architecture — (architecture) A computer architecture in which program instructions are stored in different memory from data. Each type of memory is accessed via a separate bus, allowing instructions and data to be fetched in parallel. Contrast: von Neumann architecture.
- hate a person's guts — to dislike a person very strongly
- health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
- helmeted guinea fowl — the common guinea fowl in its wild state.
- 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.
- himalayan guinea pig — a variety of short-haired guinea pig with markings on its nose, ears, and feet
- hindu-arabic numeral — Arabic numeral.
- hipparchus satellite — an astronometric satellite launched in 1989 by the European Space Agency that measured the position, proper motion, and brightness of 118 218 stars down to 12th magnitude and the magnitude and colour of a million stars down to 10th magnitude
- hire-purchase system — a system of payment for a commodity in regular installments while using it.
- hit the panic button — an alarm button for use in an emergency, as to summon help.
- hit-and-run accident — a motor-vehicle accident in which the driver leaves the scene without stopping to give assistance, inform the police, etc
- honeysuckle ornament — anthemion.
- hospitality industry — the hotel and accommodation industry
- hot under the collar — the part of a shirt, coat, dress, blouse, etc., that encompasses the neckline of the garment and is sewn permanently to it, often so as to fold or roll over.
- house of assignation — a brothel.
- household appliances — devices or machines, usually electrical, that are in your home and which you use to do jobs such as cleaning or cooking
- houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
- how about something? — what is your wish, opinion, or information concerning something (or someone)?
- how are you keeping? — how are you?
- hudson's bay blanket — a woollen blanket with wide stripes
- hudson's bay company — a company chartered in England in 1670 to carry on fur trading with the Indians in North America.
- human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
- human growth hormone — somatotropin. Abbreviation: hGH.
- human interest story — news item about people's lives
- human papillomavirus — any of a group of papillomaviruses causing cutaneous warts and lesions of the oral, anal, and genital mucous membranes in human beings
- human parvovirus b19 — Pathology. a mild infection, most often seen in children or young adults, caused by a small virus ((the human parvovirus B19)) and marked by a blotchy rash on the cheeks, arms, and legs.
- human-interest story — a story or report, as in a newspaper or on a newscast, designed to engage attention and sympathy by enabling one to identify readily with the people, problems, and situations described.
- hungarian bromegrass — a pasture grass, Bromus inermis, native to Europe, having smooth blades.
- huntington's disease — a hereditary disease of the central nervous system characterized by brain deterioration and loss of control over voluntary movements, the symptoms usually appearing in the fourth decade of life.
- hurricane-force wind — a wind, not necessarily a hurricane, having a speed of more than 72 miles per hour (32 m/sec): the strongest of the winds.
- hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
- hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
- hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.
- hypophosphorous acid — a colorless or yellowish, water-soluble, liquid, monobasic acid, H 3 PO 2 , having a sour odor, and used as a reducing agent.
- in the circumstances — a condition, detail, part, or attribute, with respect to time, place, manner,agent, etc., that accompanies, determines, or modifies a fact or event; a modifying or influencing factor: Do not judge his behavior without considering every circumstance.
- in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
- in the nature of sth — If you say that one thing is in the nature of another, you mean that it is like the other thing.