20-letter words containing g, r, o, t
- 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.
- glyceryl monoacetate — acetin.
- 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 from bad to worse — worsen
- go like the clappers — to move extremely fast
- good driver discount — A good driver discount is a discount on insurance that is available to drivers who have no at-fault accidents and no traffic offenses during a particular period.
- gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
- 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.
- gravitational radius — Schwarzschild radius.
- 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)
- great-great-grandson — the grandson of a grandchild
- greatest lower bound — a lower bound that is greater than or equal to all the lower bounds of a given set: 1 is the greatest lower bound of the set consisting of 1, 2, 3. Abbreviation: glb.
- greek-letter society — any student fraternity or sorority in a US university or college, usually using Greek letters in their title
- green mountain state — Vermont (used as a nickname).
- group of twenty-four — a group of twenty-four rich and industrialized countries of the world, whose heads of government meet regularly to coordinate the position of developing countries on monetary and development issues
- group representation — representation in a governing body on the basis of interests rather than by geographical location.
- happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
- hate a person's guts — to dislike a person very strongly
- 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.
- 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.
- hieroglyphic hittite — an extinct language of the Anatolian branch of Indo-European, written in a pictographic script in Syria c1200–c600 b.c.: the same language as written in cuneiform in Anatolia is known as Luwian.
- historical sociology — the sociological study of the origins and development of societies and of other social phenomena that seeks underlying laws and principles.
- 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.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- ignotum per ignotius — an explanation that is obscurer than the thing to be explained
- in (or out of) gear — (not) connected to the motor
- in flagrante delicto — Law. in the very act of committing the offense.
- in trim/in good trim — When people are in trim or in good trim, they are in good physical condition.
- industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company.
- industrial sociology — the sociological study of social relationships and social structures in business settings.
- infiltration gallery — a conduit, built in permeable earth, for collecting ground water.
- 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
- initial program load — (operating system) (IPL) The procedure used to (re-)start a computer system by copying the operating system kernel into main memory and running it. Part of the boot sequence.
- integration by parts — Mathematics. a method of evaluating an integral by use of the formula, ∫udv = uv − ∫vdu.
- integrity constraint — (database) A constraint (rule) that must remain true for a database to preserve data integrity. Integrity constraints are specified at database creation time and enforced by the database management system. Examples from a genealogical database would be that every individual must be their parent's child or that they can have no more than two natural parents.
- intelligence officer — a military officer responsible for collecting and processing data on hostile forces, weather, and terrain.
- 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.
- international orange — a shade of bright orange, highly visible at a great distance and in murky weather, used to color aircraft, airport towers and hangars, boats, etc., for safety or rescue purposes.
- into/in cold storage — If you put an idea or plan into cold storage or in cold storage, you delay it for a while rather than acting on it as you originally intended.
- intravenous drug use — the injection of drugs intravenously
- islets of langerhans — biology: pancreatic cells
- japanese pagoda tree — pagoda tree.
- job control language — a language used to construct statements that identify a particular job to be run and specify the job's requirements to the operating system under which it will run. Abbreviation: JCL.
- 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.