18-letter words containing r, e, c, h, a, g
- genetic algorithms — genetic algorithm
- grandfather clause — U.S. History. a clause in the constitutions of some Southern states after 1890 intended to permit whites to vote while disfranchising blacks: it exempted from new literacy and property qualifications for voting those men entitled to vote before 1867 and their lineal descendants.
- greater manchester — a metropolitan county in central England, with the city of Manchester as its center. 498 sq. mi. (1290 sq. km).
- greater pichiciego — an armadillo, Burmeisteria retusa, similar to, but larger than, a pichiciego
- green-backed heron — a small, American heron, Butorides striatus, having glossy green wings.
- 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
- haulage contractor — a person or firm that transports goods by lorry
- heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
- 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.
- hypogastric artery — iliac artery (def 3).
- incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
- interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
- lactogenic hormone — prolactin.
- launching ceremony — a ceremony that celebrates the launch of a ship for the first time into the water
- legislative branch — the branch of government having the power to make laws; the legislature.
- lighting cameraman — the person who designs and supervises the lighting of scenes to be filmed
- magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
- marine archaeology — the branch of archaeology that deals with the recovery of ancient objects found beneath the sea, as shipwrecks or remains from submerged islands, and with the techniques of underwater exploration, excavation, and retrieval.
- marketing research — the study of influences upon customer and consumer behaviour and the analysis of market characteristics and trends
- mechanical drawing — drawing, as of machinery, done with the aid of rulers, scales, compasses, etc.
- menthol cigarettes — cigarettes that are flavoured with menthol
- mergui archipelago — a group of over 200 islands in the Andaman Sea, off the Tenasserim coast of S Myanmar: mountainous and forested
- metacentric height — the distance between the center of gravity and the metacenter of a floating body, as of a vessel.
- microsoft exchange — (messaging) Microsoft's messaging and enterprise collaboration server. Exchange's primary role is as an electronic mail message store but it can also store calendars, task lists, contact details, and other data.
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- monographic series — a series of monographs issued in uniform style or format and related by subject or by issuing agency.
- neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- nightmare scenario — If you describe a situation or event as a nightmare scenario, you mean that it is the worst possible thing that could happen.
- noninterchangeable — That cannot be interchanged with another.
- optical brightener — an additive that dyes and brightens fabric or paper
- outreach programme — a programme designed to help and encourage disadvantaged members of the community
- palm beach gardens — a city in SE Florida, near North Palm Beach.
- palmer archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- parachute regiment — an airborne regiment of an army
- physical geography — the branch of geography concerned with natural features and phenomena of the earth's surface, as landforms, drainage features, climates, soils, and vegetation.
- positively charged — having a positive charge
- programmer's cheer — (humour) "Shift to the left! Shift to the right! Pop up, push down! Byte! Byte! Byte!" [Origin?]
- propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- purchasing officer — the member of staff in an organization who is responsible for buying goods or products
- registered charity — official aid organization
- resistance fighter — someone who fights (for freedom, etc) against an invader in an occupied country, or against their government, etc, often secretly or illegally
- reverse the charge — to make a telephone call at the recipient's expense
- richard p. gabriel — Richard Gabriel