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19-letter words containing a, e, r, o

  • geocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
  • 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.
  • geothermal gradient — the increase in temperature with increasing depth within the earth.
  • geraldton waxflower — an evergreen shrub, Chamelaucium uncinatum, native to W Australia, cultivated for its pale pink flowers
  • gestational carrier — surrogate mother (def 3).
  • get one's dander up — to become or to cause someone to become annoyed or angry
  • gigabits per second — (unit)   (Gbps) A unit of information transfer rate equal to one billion bits per second. Note that, while a gigabit is defined as a power of two (2^30 bits), a gigabit per second is defined as a power of ten (10^9 bits per second, which is slightly less) than 2^30).
  • give a person a fit — to surprise a person in an outrageous manner
  • glottalic airstream — a current of air in the pharynx produced by the action of the glottis.
  • 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 to great lengths — If you say that someone goes to great lengths to achieve something, you mean that they try very hard and perhaps do extreme things in order to achieve it.
  • go under the hammer — to be offered for sale by an auctioneer
  • gold-rimmed glasses — spectacles with gold-coloured frames
  • goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
  • 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.
  • grade point average — a measure of scholastic attainment computed by dividing the total number of grade points received by the total number of credits or hours of course work taken.
  • grand duke nicholas — of Cusa [kyoo-zuh] /ˈkyu zə/ (Show IPA), 1401–1464, German cardinal, mathematician, and philosopher. German Nikolaus von Cusa.
  • grandfather's clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
  • grandmother's clock — a pendulum clock similar to a grandfather's clock but shorter.
  • granuloma inguinale — a venereal disease marked by deep ulceration of the skin of the groin and external genitals, caused by the bacterium Calymmatobacterium granulomatis.
  • grasshopper sparrow — a brown and white North American sparrow, Ammodramus savannarum, having a buffy breast and a buzzing insectlike song.
  • grasshopper warbler — a Eurasian warbler Locustella naevia
  • gravitational field — the attractive effect, considered as extending throughout space, of matter on other matter.
  • great idaean mother — Cybele.
  • great wall of china — a system of fortified walls with a roadway along the top, constructed as a defense for China against the nomads of the regions that are now Mongolia and Manchuria: completed in the 3rd century b.c., but later repeatedly modified and rebuilt. 2000 miles (3220 km) long.
  • 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
  • gregorian telescope — a telescope similar in design to the Cassegrainian telescope but less widely used.
  • grievance committee — a group of representatives chosen from a labor union or from both labor and management to consider and remedy workers' grievances.
  • grievance procedure — the established series of steps to be taken in dealing with a grievance raised with an employer by an employee
  • grocer's apostrophe — an apostrophe placed before a final s intended to indicate the plural but in fact forming the possessive
  • grosse pointe farms — a city in SE Michigan, near Detroit.
  • ground-plane aerial — a quarter-wave vertical dipole aerial in which the electrical image forming the other quarter-wave section is formed by reflection in a system of radially disposed metal rods or in a conductive sheet
  • guillaume de lorris — 13th-century French poet who wrote the first 4058 lines of the allegorical romance, the Roman de la rose, continued by Jean de Meung
  • gulf of carpentaria — a shallow inlet of the Arafura Sea, in N Australia between Arnhem Land and Cape York Peninsula
  • 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.
  • hang five (or ten) — to ride a surfboard with the toes of one (or both) feet draped over the front edge of the board
  • harbinger-of-spring — a North American umbelliferous herb, Erigenia bulbosa, having white flowers that bloom early in the spring.
  • haul over the coals — a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Compare anthracite, bituminous coal, lignite.
  • haute vulgarisation — vulgarization, or popularization, on a higher level, esp. as done by academics, scholars, etc.
  • have a nose for sth — If you say that someone has a nose for something, you mean that they have a natural ability to find it or recognize it.
  • have a problem with — to be unable to understand or do
  • have a weakness for — be fond of
  • have an ax to grind — an instrument with a bladed head on a handle or helve, used for hewing, cleaving, chopping, etc.
  • health professional — a person trained to work in any field of physical or mental health.
  • heart in your mouth — If your heart is in your mouth, you feel very excited, worried, or frightened.
  • heavy-water reactor — a nuclear reactor that uses heavy water as moderator
  • heel-and-toe racing — race walking.
  • henry david thoreau — Henry David, 1817–62, U.S. naturalist and author.
  • henry the navigator — Prince, 1394–1460, prince of Portugal.
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