20-letter words containing g, h, a
- guillaume de machaut — Guillaume de [French gee-yohm duh] /French giˈyoʊm də/ (Show IPA), Guillaume de Machaut.
- 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.
- hardware handshaking — (communications) A technique for regulating the flow of data across an interface by means of signals carried on separate wires. A common example is the RTS (Request to Send) and CTS (Clear to Send) signals on an EIA-232 serial line. The alternative, software handshaking, uses two special characters inserted into the data stream to carry the same information.
- 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 an itching palm — to desire money greedily
- 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.
- hazard warning lamps — Hazard warning lamps are flashing lamps on each corner of a vehicle that are used to show the position of the vehicle if there has been a breakdown or an accident.
- he's no oil painting — he is not good-looking
- 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.
- 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.
- high-energy particle — Physics
- hildegard von bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
- himalayan guinea pig — a variety of short-haired guinea pig with markings on its nose, ears, and feet
- historical sociology — the sociological study of the origins and development of societies and of other social phenomena that seeks underlying laws and principles.
- hold one's head high — to conduct oneself in a proud and confident manner
- house of assignation — a brothel.
- how about something? — what is your wish, opinion, or information concerning something (or someone)?
- how are you keeping? — how are you?
- 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.
- 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.
- 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.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- indistinguishability — The state of being indistinguishable.
- information exchange — discussion that involves exchanging ideas and knowledge
- infrared photography — photography using film with an emulsion that is sensitive to infrared light, enabling it to be used in misty weather, in darkened interiors, or at night. It has applications in aerial surveys, the detection of forgeries, etc
- international gothic — a style of Gothic art, especially painting, developed in Europe in the late 14th and early 15th centuries, chiefly characterized by details carefully delineated in a naturalistic manner, elongated and delicately modeled forms, the use of complex perspective, and an emphasis on the decorative or ornamental aspect of drapery, foliage, or setting.
- islets of langerhans — biology: pancreatic cells
- john o'groat's house — the northern tip of Scotland, near Duncansby Head, NE Caithness, traditionally thought of as the northernmost point of Britain: from Land's End to John o'Groat's House.
- junior featherweight — a boxer weighing up to 122 pounds (54.9 kg), between bantamweight and featherweight.
- keep a straight face — look serious, avoid smiling
- keep a tight rein on — to control carefully; limit
- king charles spaniel — a variety of the English toy spaniel having a black-and-tan coat.
- kingston upon thames — a borough of Greater London, England.
- knight of the garter — a knight who belongs to the Order of the Garter
- knights hospitallers — a military religious order founded about the time of the first crusade (1096–99) among European crusaders. It took its name from a hospital and hostel in Jerusalem
- laugh one's head off — Phrases such as laugh your head off and scream your head off can be used to emphasize that someone is laughing or screaming a lot or very loudly.
- light the touchpaper — to do something that will cause much anger or excitement
- linguistic geography — dialect geography.
- logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
- look homeward, angel — a novel (1929) by Thomas Wolfe.
- lord high chancellor — the highest judicial officer of the British crown: law adviser of the ministry, keeper of the great seal, presiding officer in the House of Lords, etc.
- lou gehrig's disease — amyotrophic lateral sclerosis.
- lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
- magdeburg hemisphere — one of a pair of hemispherical cups from which air can be evacuated when they are placed together: used to demonstrate the force of air pressure.