17-letter words containing r, e, o, i
- arresting officer — the police officer making an arrest
- arsenic poisoning — poisoning by arsenic
- articulated joint — Anatomy. a flexible joint.
- articulated lorry — a lorry made in two separate sections, a tractor and a trailer, connected by a pivoted bar
- artificial person — a human being, whether an adult or child: The table seats four persons.
- artistic director — a person in charge of the artistic direction of a theatre company
- as far as it goes — If you say that something is good as far as it goes or true so far as it goes, you mean that it is good or true only to a limited extent.
- as the crow flies — If you say that a place is a particular distance away as the crow flies, you mean that it is that distance away measured in a straight line.
- ascertained goods — specific goods
- associate of arts — a degree granted especially by junior colleges after completion of two years of study. Abbreviation: A.A.
- association fiber — any of several nerve fibers connecting different areas of the cerebral cortex in the same hemisphere.
- associative array — (programming) (Or "hash", "map", "dictionary") An array where the indices are not just integers but may be arbitrary strings.
- astral projection — the departure of the astral body from the physical body, in order to travel to the astral plane
- astronomical year — year (def 4b).
- at one's own risk — If you tell someone that they are doing something at their own risk, you are warning them that, if they are harmed, it will be their own responsibility.
- at the service of — To be at the service of a person or organization means to be available to help or be used by that person or organization.
- at their own game — If you beat someone at their own game, you use the same methods that they have used, but more successfully, so that you gain an advantage over them.
- attorneys-in-fact — a person authorized by power of attorney to act on the authorizer's behalf outside a court of law.
- attraction sphere — centrosphere (sense 1)
- audio description — a facility provided for visually impaired people in which a film, television programme, or play is described through audio technology
- aurea mediocritas — the golden mean.
- australopithecine — any of various extinct apelike primates of the genus Australopithecus and related genera, remains of which have been discovered in southern and E Africa. Some species are estimated to be over 4.5 million years old
- authoritativeness — having due authority; having the sanction or weight of authority: an authoritative opinion.
- autocorrelational — Of or pertaining to autocorrelation.
- auxiliary storage — secondary storage.
- average deviation — a measure of dispersion, computed by taking the arithmetic mean of the absolute values of the deviations of the functional values from some central value, usually the mean or median.
- axis of ordinates — y-axis (def 1).
- axis-of-ordinates — y-axis (def 1).
- back on the rails — If something is back on the rails, it is beginning to be successful again after a period when it almost failed.
- bacon's rebellion — an unsuccessful uprising by frontiersmen in Virginia in 1676, led by Nathaniel Bacon against the colonial government in Jamestown.
- bacteriologically — In a bacteriological manner; with respect to bacteriology.
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- baltimore clipper — a small, fast American sailing vessel of the early 19th century, having a sharp hull form and two masts with a pronounced rake and carrying a brig or schooner rig.
- bar-tailed godwit — a large wader, Limosa lapponica, of the family Scolopacidae which, in migrating from Alaska to New Zealand, makes the longest journey without stopping for food taken by any animal
- barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
- barrel distortion — distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards
- barrow-in-furness — an industrial town in NW England, in S Cumbria. Pop: 47 194 (2001)
- baseboard heating — a heating system by pipes, through which steam or hot water circulates, near the base of the walls of rooms
- battle of britain — (in World War II) the series of aerial combats that took place between British and German aircraft during the autumn of 1940 and that included the severe bombardment of British cities.
- bbc microcomputer — A series of 6502-based personal computers launched by Acorn Computers Ltd. in January 1982, for use in the British Broadcasting Corporation's educational programmes on computing. The computers are noted for their reliability (many are still in active service in 1994) and both hardware and software were designed for easy expansion. The 6502-based computers were succeeded in 1987 by the Acorn Archimedes family.
- be a box of birds — to be very well indeed
- be over the limit — If someone is over the limit, they have drunk more alcohol than they are legally allowed to when driving a vehicle.
- be well rid of sb — If you say that someone is well rid of someone, you think it is good that the person has gone because you did not like them or you think they caused a lot of problems.
- beardmore glacier — one of the largest glaciers, in central Antarctica. About 125 miles (200 km) long.
- beat one's brains — to try hard to remember, understand, or solve something
- before one's time — prematurely
- behaviour therapy — any of various means of treating psychological disorders, such as desensitization, aversion therapy, and instrumental conditioning, that depend on the patient systematically learning new modes of behaviour
- believe it or not — You can use believe it or not to emphasize that what you have just said is surprising.
- bell laboratories — One of AT&T's research sites, in Murray Hill, New Jersey, USA. It was the birthplace of the transistor, Unix, C and C++ and the current home of research on Plan 9 and ODE.
- bellflower family — the plant family Campanulaceae, characterized by chiefly herbaceous plants having simple, alternate leaves and solitary or clustered flowers with a bell-shaped, five-lobed, often blue or purple corolla, and including the harebell, Canterbury bells, and balloon flower.