18-letter words containing r, e, g, i
- great expectations — a novel (1861) by Charles Dickens.
- great white father — the president of the U.S.
- great-circle track — the route of a ship following the arc of a great circle, appearing as a curved line on a Mercator chart and as a straight line on a gnomonic chart.
- greater periwinkle — a Eurasian apocynaceous evergreen plant of the genus Vinca, V. major, having trailing stems and blue flowers
- greater pichiciego — an armadillo, Burmeisteria retusa, similar to, but larger than, a pichiciego
- greenhouse warming — the increase in the mean temperature of the earth attributed to the greenhouse effect
- gregorian calendar — the reformed Julian calendar now in use, according to which the ordinary year consists of 365 days, and a leap year of 366 days occurs in every year whose number is exactly divisible by 4 except centenary years whose numbers are not exactly divisible by 400, as 1700, 1800, and 1900.
- grist for the mill — If you say that something is grist for the mill, you mean that it is useful for a particular purpose or helps support someone's point of view.
- grosse pointe park — a city in SE Michigan, near Detroit.
- growing degree-day — a degree-day above 41°F (5°C), used in relation to plant growth.
- grumbling appendix — a condition in which the appendix causes intermittent pain but appendicitis has not developed
- guidance counselor — advisor in schools
- gulliver's travels — a social and political satire (1726) by Jonathan Swift, narrating the voyages of Lemuel Gulliver to four imaginary regions: Lilliput, Brobdingnag, Laputa, and the land of the Houyhnhnms.
- gum digger's spear — a long steel probe used by gum diggers digging for kauri gum
- gyromagnetic ratio — the ratio of the magnetic moment of a rotating charged particle to its angular momentum.
- haemorrhagic fever — any of a group of fevers, such as Ebola virus disease and yellow fever, characterized by internal bleeding or bleeding into the skin
- hardy-weinberg law — a principle stating that in an infinitely large, randomly mating population in which selection, migration, and mutation do not occur, the frequencies of alleles and genotypes do not change from generation to generation.
- hash house slinger — a person who serves in a cheap cafe
- hearing impairment — partial deafness
- heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
- heating degree-day — a degree-day below the standard temperature of 65°F or 19°C, used in estimating fuel consumption.
- helicopter gunship — military attack helicopter
- hell or high water — whatever difficulties may arise
- hermaphrodite brig — a two-masted sailing vessel, square-rigged on the foremast and fore-and-aft-rigged on the mainmast.
- herring bone weave — a pattern consisting of adjoining vertical rows of slanting lines, any two contiguous lines forming either a V or an inverted V , used in masonry, textiles, embroidery, etc.
- herringbone stitch — a type of cross-stitch in embroidery similar to the catch stitch in sewing, consisting of an overlapped V -shaped stitch that when worked in a continuous pattern produces a twill-weave effect.
- heuristics testing — failure-directed testing
- high-grade mineral — a mineral fulfilling certain conditions as regards purity or other physical properties
- highbush blueberry — a spreading, bushy shrub, Vaccinium corymbosum, of eastern North America, having small, urn-shaped, white or pinkish flowers, and bluish-black edible fruit, growing about 10 feet (3 meters) high.
- highbush cranberry — a shrub, Viburnum trilobum, of northern North America, having broad clusters of white flowers and edible scarlet berries.
- higher mathematics — the advanced portions of mathematics, customarily considered as embracing all beyond ordinary arithmetic, geometry, algebra, and trigonometry.
- higher-order macro — A means of expressing certain higher-order functions in a first order language. Proposed by Phil Wadler. Higher-order macros cannot be recursive at the top level but they may contain recursive definitions. E.g. See partial evaluation.
- historical geology — the branch of geology dealing with the history of the earth.
- horseless carriage — an automobile: The horse and buggy were eventually replaced by the horseless carriage.
- houghton-le-spring — a town in N England, in Sunderland unitary authority, Tyne and Wear: coal-mining. Pop: 36 746 (2001)
- hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
- hypogastric artery — iliac artery (def 3).
- ignition interlock — interlock (def 10).
- imaginary operator — An imaginary operator is the part of a complex number that defines the magnitude of the part of the complex number at right angles to the real number part.
- in (the) aggregate — If a number of different things or amounts are considered in aggregate, or in the aggregate, they are considered as a single thing or amount.
- in good/bad repair — If something such as a building is in good repair, it is in good condition. If it is in bad repair, it is in bad condition.
- in one's own right — in accordance with what is good, proper, or just: right conduct.
- in the grip of sth — If a person, group, or place is in the grip of something, they are being severely affected by it.
- incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
- industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
- inquisitor-general — the head of the Spanish court of Inquisition
- instrument landing — an aircraft landing accomplished by use of gauges on the instrument panel and ground-based radio equipment, with limited reference to outside visual signals.
- integrated circuit — a circuit of transistors, resistors, and capacitors constructed on a single semiconductor wafer or chip, in which the components are interconnected to perform a given function. Abbreviation: IC.
- integrated studies — a course that includes a number of subjects and is organized by theme
- integrating factor — a factor that upon multiplying a differential equation with the right-hand side equal to zero makes the equation integrable, usually by making the resulting expression an exact differential of some function.