17-letter words containing o, r, t, h
- gas chromatograph — a chromatograph used for the separation of volatile substances.
- generalized other — an individual's internalized impression of societal norms and expectations.
- genetic algorithm — (GA) An evolutionary algorithm which generates each individual from some encoded form known as a "chromosome" or "genome". Chromosomes are combined or mutated to breed new individuals. "Crossover", the kind of recombination of chromosomes found in sexual reproduction in nature, is often also used in GAs. Here, an offspring's chromosome is created by joining segments choosen alternately from each of two parents' chromosomes which are of fixed length. GAs are useful for multidimensional optimisation problems in which the chromosome can encode the values for the different variables being optimised.
- george washington — Booker T(aliaferro) [boo k-er tol-uh-ver] /ˈbʊk ər ˈtɒl ə vər/ (Show IPA), 1856–1915, U.S. reformer, educator, author, and lecturer.
- george whitefield — George, 1714–70, English Methodist evangelist.
- geothermal energy — Geothermal energy is energy from temperature differences inside the earth's crust.
- gestatorial chair — a ceremonial chair on which the pope is carried
- get (right) on it — to begin doing a task (immediately)
- get in one's hair — to annoy one
- get off the grass — an exclamation of disbelief
- get the better of — of superior quality or excellence: a better coat; a better speech.
- gi bill of rights — any of various Congressional bills enacted to provide funds for college educations, home-buying loans, and other benefits for armed-services veterans.
- give to the world — to publish
- glastonbury chair — a folding chair having legs crossed front-to-back and having arms connected to the back and to the front seat rail.
- globus hystericus — the sensation of having a lump in the throat or difficulty in swallowing for which no medical cause can be found.
- glory-of-the-snow — any of several plants belonging to the genus Chionodoxa, of the lily family, native to the Old World, having showy, blue, white, or pink flowers that bloom early in the spring.
- go down the drain — to withdraw or draw off (a liquid) gradually; remove slowly or by degrees, as by filtration: to drain oil from a crankcase.
- go for the collar — to go without a hit in a game
- go for the doctor — to make a great effort or move very fast, esp in a horse race
- go on the rampage — If people go on the rampage, they rush about in a wild or violent way, causing damage or destruction.
- go the extra mile — make an exceptional effort
- go to the country — If a head of government or a government goes to the country, they hold a general election.
- good-time charlie — an affable, sociable, pleasure-loving man.
- grandfather clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
- grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
- great vowel shift — a series of changes in the quality of the long vowels between Middle and Modern English as a result of which all were raised, while the high vowels (ē) and (o̅o̅), already at the upper limit, underwent breaking to become the diphthongs (ī) and (ou).
- great white heron — a large white heron, Ardea occidentalis, of Florida and the Florida Keys.
- great willow herb — either of two tall, large-flowered willow herbs, Epilobium angustifolium or E. hirsutum.
- great-grandmother — a grandmother of one's father or mother.
- greenhouse effect — an atmospheric heating phenomenon, caused by short-wave solar radiation being readily transmitted inward through the earth's atmosphere but longer-wavelength heat radiation less readily transmitted outward, owing to its absorption by atmospheric carbon dioxide, water vapor, methane, and other gases; thus, the rising level of carbon dioxide is viewed with concern.
- grist to the mill — If you say that something is grist to the mill, you mean that it is useful for a particular purpose or helps support someone's point of view.
- ground angle shot — a photograph or film shot in which the lens is near the ground, usually pointing up somewhat
- haematocrystallin — Alternative form of hematocrystallin.
- haemoglobinometer — an instrument used to determine the haemoglobin content of blood
- haemorrhoidectomy — surgical removal of haemorrhoids
- hairy-tailed mole — a blackish North American mole, Parascalops breweri, having a short, hairy tail.
- hard nut to crack — a dry fruit consisting of an edible kernel or meat enclosed in a woody or leathery shell.
- hardware platform — a group of compatible computers that can run the same software.
- harmonic interval — an intervening period of time: an interval of 50 years.
- hasbrouck heights — a borough in NE New Jersey.
- have a reputation — to be known or notorious, esp for promiscuity, excessive drinking, or the like
- have a short fuse — a tube, cord, or the like, filled or saturated with combustible matter, for igniting an explosive.
- have it in for sb — If someone has it in for you, they dislike you and try to cause problems for you.
- have on the brain — If someone has something on the brain, they keep thinking about it.
- have sth to offer — If you have something to offer, you have a quality or ability that makes you important, attractive, or useful.
- hawking radiation — the emission of particles by a black hole. Pairs of virtual particles in the intense gravitational field around a black hole may live long enough for one to move outward when the other is pulled into the black hole, making it appear that the black hole is emitting radiation
- head of the river — any of various annual rowing regattas held on particular rivers
- health care proxy — a legal document in which a person can appoint someone to make decisions about medical treatment in the event that he or she is no longer mentally competent or able to communicate.
- heart of darkness — a short novel (1902) by Joseph Conrad.
- heat of formation — the heat evolved or absorbed when one mole of a compound is formed from its constituent atoms