12-letter words containing a, r, e, c, o
- geneva cross — a red Greek cross on a white background, displayed to distinguish ambulances, hospitals, and persons belonging to the Red Cross Society.
- geocentrical — Alternative form of geocentric.
- geographical — of or relating to geography.
- geometrician — a person skilled in geometry.
- geostrategic — Of, pertaining to, or using geostrategy.
- geraniaceous — belonging to the Geraniaceae, the geranium family of plants.
- german ocean — an arm of the Atlantic between Great Britain and the European mainland. About 201,000 sq. mi. (520,600 sq. km); greatest depth, 1998 feet (610 meters).
- gerontocracy — government by a council of elders.
- gesticulator — to make or use gestures, especially in an animated or excited manner with or instead of speech.
- global reach — When people talk about the global reach of a company or industry, they mean its ability to have customers in many different parts of the world.
- go-go dancer — an entertainer who performs popular dances on a stage or platform for the patrons of a discotheque or nightclub.
- grace hopper — (person) US Navy Rear Admiral Grace Brewster Hopper (1906-12-09 to 1992-01-01), née Grace Brewster Murray. Hopper is believed to have concieved the concept of the compiler with the A-0 in 1952. She also developed the first commercial high-level language, which eventually evolved into COBOL. She worked on the Mark I computer with Howard Aiken and with BINAC in 1949. She is credited with having coined the term "debug", and the adage "it is always easier to ask forgiveness than it is to get permission" (with various wordings), which has been the guiding principle in sysadmin decisions ever since. See also the entries debug and bug. Hopper is buried at Arlington National Cemetery. In 1994, the US Navy named a new ship, the guided-missile destroyer USS Hopper, after her.
- grace period — a period of time after a payment becomes due, as of a loan or life-insurance premium, before one is subject to penalties or late charges or before the loan or policy is canceled.
- graciousness — pleasantly kind, benevolent, and courteous.
- grade school — an elementary school that has its pupils grouped or classified into grades.
- graeco-roman — of or having both Greek and Roman characteristics: the Greco-Roman influence.
- gram calorie — calorie (def 1a). Abbreviation: g-cal.
- graminaceous — Of, pertaining to, or resembling a grass.
- grand coulee — a dry canyon in central Washington: cut by the Columbia River in the glacial period. 52 miles (84 km) long; over 400 feet (120 meters) deep.
- granulocytes — Plural form of granulocyte.
- grass hockey — field hockey.
- gravicembalo — a harpsichord.
- green-collar — noting or pertaining to workers, jobs, or businesses that are involved in protecting the environment or solving environmental problems.
- groom's cake — a fruit cake in layers of graduated size, served at a wedding.
- ground cable — a heavy chain for securing permanent floating moorings, as a number of mooring buoys.
- ground cedar — a ground pine, Lycopodium complanatum.
- gut reaction — instinctive response
- gynaecocracy — Alternative form of gynecocracy.
- gyromagnetic — of or relating to the magnetic properties of a rotating charged particle.
- haemorrhagic — (chiefly, British) alternative spelling of hemorrhagic.
- hagiocracies — Plural form of hagiocracy.
- half-covered — to be or serve as a covering for; extend over; rest on the surface of: Snow covered the fields.
- hall process — a process in which aluminum is refined by electrolytic reduction of alumina fused with cryolite.
- halobacteria — Plural form of halobacterium.
- halotrichite — a mineral, iron alum, isomorphous with pickeringite, occurring in the form of yellowish fibers.
- haricot bean — Haricot beans are small white beans that are eaten as a vegetable. They are often sold dried rather than fresh.
- haricot vert — green bean.
- helicobacter — Any member of the Helicobacter bacteria.
- helicographs — Plural form of helicograph.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- hemerocallis — the genus comprising the day lilies.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- henceforward — from now on; from this point forward.
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- heroicomical — blending heroic and comic elements: a heroicomic poem.
- heterocercal — having an unequally divided tail, characteristic of sharks, rays, and skates.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterosocial — relating to or denoting mixed-sex social relationships
- heterotactic — of, relating to, or characterized by heterotaxis.
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.