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19-letter words containing t, m

  • gamma ray astronomy — the branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come from them.
  • gamma-ray astronomy — the branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come from them.
  • gastrocolic omentum — the peritoneal fold attached to the stomach and the colon and hanging over the small intestine.
  • gedanken experiment — thought experiment.
  • gender reassignment — the alteration, by surgery and hormone treatments, of a person's physical sex characteristics to approximate those of the opposite sex: Born male, she now lives as a woman but has no plans for a sex change.
  • general of the army — the highest ranking military officer; the next rank above general.
  • genetic programming — (programming)   (GP) A programming technique which extends the genetic algorithm to the domain of whole computer programs. In GP, populations of programs are genetically bred to solve problems. Genetic programming can solve problems of system identification, classification, control, robotics, optimisation, game playing, and pattern recognition. Starting with a primordial ooze of hundreds or thousands of randomly created programs composed of functions and terminals appropriate to the problem, the population is progressively evolved over a series of generations by applying the operations of Darwinian fitness proportionate reproduction and crossover (sexual recombination).
  • geneva nomenclature — an internationally accepted system for naming organic carbon compounds.
  • gentleman-pensioner — (formerly) a gentleman-at-arms.
  • geomagnetic equator — an imaginary line on the earth's surface, the plane of which passes through the center and is midway between the geomagnetic poles.
  • geometric isomerism — each of two or more chemical compounds having the same molecular formula but a different geometric arrangement; an unsaturated compound or ring compound in which rotation around a carbon bond is restricted, as in cis- and trans- configurations.
  • geothermal gradient — the increase in temperature with increasing depth within the earth.
  • get next to someone — immediately following in time, order, importance, etc.: the next day; the next person in line.
  • giant silkworm moth — any silkworm moth of the family Saturniidae.
  • glottalic airstream — a current of air in the pharynx produced by the action of the glottis.
  • go jump in the lake — a body of fresh or salt water of considerable size, surrounded by land.
  • go on a/the rampage — If people go on a rampage, they rush around in a wild or violent way, causing damage or destruction.
  • go under the hammer — to be offered for sale by an auctioneer
  • golden lion tamarin — a monkey, Leontopithecus rosalia rosalia, of tropical rain forests of southeastern Brazil, having a silky golden coat and a long golden mane: threatened with extinction.
  • government monopoly — the exclusive control of the market supply of a product or service by the government
  • government-in-exile — a government temporarily moved to or formed in a foreign land by exiles who hope to establish that government in their native country after its liberation.
  • grammatical meaning — the meaning of an inflectional morpheme or of some other syntactic device, as word order.
  • grandmother's clock — a pendulum clock similar to a grandfather's clock but shorter.
  • great idaean mother — Cybele.
  • green mountain boys — the members of the armed bands of Vermont organized in 1770 to oppose New York's territorial claims. Under Ethan Allen they won fame in the War of American Independence
  • greenwich mean time — the time as measured on the prime meridian running through Greenwich, England: used in England and as a standard of calculation elsewhere.
  • grievance committee — a group of representatives chosen from a labor union or from both labor and management to consider and remedy workers' grievances.
  • gross profit margin — A gross profit margin is a measure of the profitability of a company, that is calculated by dividing gross profit by net sales.
  • grosse pointe farms — a city in SE Michigan, near Detroit.
  • hairdryer treatment — (esp in sport) the practice of shouting at someone at close quarters in order to express one's displeasure at something he or she has done
  • hamiltonian problem — (computability)   (Or "Hamilton's problem") A problem in graph theory posed by William Hamilton: given a graph, is there a path through the graph which visits each vertex precisely once (a "Hamiltonian path")? Is there a Hamiltonian path which ends up where it started (a "Hamiltonian cycle" or "Hamiltonian tour")? Hamilton's problem is NP-complete. It has numerous applications, sometimes completely unexpected, in computing.
  • handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
  • harmonic distortion — distortion caused by nonlinear characteristics of electronic apparatus, esp of audio amplifiers, that generate unwanted harmonics of the input frequencies
  • hate someone's guts — to hate someone intensely
  • hatfield-mccoy feud — a blood feud between two mountain clans on the West Virginia–Kentucky border, the Hatfields of West Virginia and the McCoys of Kentucky, that grew out of their being on opposite sides during the Civil War and was especially violent during 1880–90.
  • have a few too many — If you say that someone has had a few too many or has had a few, you mean that they have drunk too many alcoholic drinks.
  • have a good mind to — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
  • have a problem with — to be unable to understand or do
  • have half a mind to — to have the intention of
  • have the makings of — show potential as
  • heart in your mouth — If your heart is in your mouth, you feel very excited, worried, or frightened.
  • heat of sublimation — the heat absorbed by one gram or unit mass of a substance in the process of changing, at a constant temperature and pressure, from a solid to a gaseous state. Compare sublime (def 10).
  • heine-borel theorem — the theorem that in a metric space every covering consisting of open sets that covers a closed and compact set has a finite collection of subsets that covers the given set.
  • hepatoportal system — a vascular arrangement in vertebrates through which blood is transported into the liver from capillaries of the stomach, spleen, duodenum, pancreas, and intestines.
  • hermes trismegistus — a name variously ascribed by Neoplatonists and others to an Egyptian priest or to the Egyptian god Thoth, to some extent identified with the Grecian Hermes: various mystical, religious, philosophical, astrological, and alchemical writings were ascribed to him.
  • hermetically sealed — airtight
  • hermitian conjugate — adjoint (def 2).
  • high-pressure steam — High-pressure steam is steam which is at or above 75 pounds per square inch gauge pressure.
  • highways department — the department of a state, council, etc, responsible for the upkeep of roads and highways
  • holiday entitlement — the number of days of paid holiday in a year that a worker is entitled to take
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