19-letter words containing r, t, c
- analytical geometry — the branch of geometry that uses algebraic notation and analysis to locate a geometric point in terms of a coordinate system; coordinate geometry
- anarcho-syndicalist — syndicalism.
- ancillary equipment — Ancillary equipment is machines and other technical things which are used with the main items of equipment to create a complete system.
- androuet du cerceau — Androuet [ahn-droo-e] /ɑ̃ druˈɛ/ (Show IPA), Androuet du Cerceau.
- angioneurotic edema — swelling that occurs just beneath the surface of the skin or mucous membranes.
- angle of reflection — the angle that a beam of reflected radiation makes with the normal to a surface at the point of reflection
- angle of refraction — the angle that a refracted beam of radiation makes with the normal to the surface between two media at the point of refraction
- anno urbis conditae — in a (specified) year from the founding of the city: the ancient Romans reckoned dates from Rome's founding, c. 753 b.c.
- antarctic peninsula — the largest peninsula of Antarctica, between the Weddell Sea and the Pacific: consists of Graham Land in the north and the Palmer Peninsula in the south
- anthropic principle — the cosmological theory that the presence of life in the universe limits the ways in which the very early universe could have evolved
- anthropocentrically — regarding the human being as the central fact of the universe.
- anthropomorphically — ascribing human form or attributes to a being or thing not human, especially to a deity.
- anti-comintern pact — a pact formed in 1936, based on agreements between Germany and Japan to oppose communism and the Third International: Italy and Spain subsequently became signatories.
- anticholinesterases — Plural form of anticholinesterase.
- anticipatory breach — a declaration by one party to a contract that it does not intend to fulfil its obligations to the second party, who can then accept this declaration and choose not to be bound by the contract
- application program — a computer program that is written and designed for a specific need or purpose
- arbitration service — a service which provides an impartial referee to settle disputes
- arecibo observatory — an observatory in Puerto Rico at which the world's largest dish radio telescope (diameter 305 m) is situated. It is operated by the National Astronomy and Ionosphere Center
- ark of the covenant — the chest containing the two stone tablets inscribed with the Ten Commandments, kept in the holiest part of the ancient Jewish Tabernacle: Ex. 25:10
- army of the potomac — Union forces, trained and organized by Gen. George B. McClellan, that guarded Washington, D.C., against a Confederate invasion across the Potomac and fought battles in the eastern sector during the Civil War.
- arsenic trichloride — a colorless or yellow, oily, poisonous liquid, AsCl 3 , used chiefly as an intermediate in the manufacture of organic arsenicals.
- artemis microkernel — (operating system) A microkernel currently under development by Dave Hudson <[email protected]>, scheduled for release under GPL in May 1995. It is targeted at embedded applications on Intel 80386, Intel 486 and Pentium based systems.
- articulated vehicle — a large vehicle (esp a lorry) made in two separate sections, a tractor and a trailer, connected by a pivoted bar
- artificial additive — artificial flavouring, colouring or preservatives
- artificial climbing — the sport of climbing an artificially constructed, rocklike wall by means of footholds and handholds and, typically, a belaying device.
- artificial daylight — artificial light having approximately the same spectral characteristics as natural daylight
- artificial language — an invented language, esp one intended as an international medium of communication or for use with computers
- as a matter of fact — You use as a matter of fact to introduce a statement that gives more details about what has just been said, or an explanation of it, or something that contrasts with it.
- as sick as a parrot — If you say that you feel as sick as a parrot, you feel very disappointed about something.
- asbestos cork award — (humour) Once, long ago at MIT, there was a flamer so consistently obnoxious that another hacker designed, had made, and distributed posters announcing that said flamer had been nominated for the "asbestos cork award". (Any reader in doubt as to the intended application of the cork should consult the etymology under flame.) Since then, it is agreed that only a select few have risen to the heights of bombast required to earn this dubious dignity - but there is no agreement on *which* few.
- assistant principal — a person who assists a principal in their work
- assistant secretary — a person who assists a secretary in their work
- associate professor — An associate professor is a college teacher who ranks above an assistant professor but below a professor.
- associative storage — a storage device in which the information is identified by content rather than by an address
- asymmetric war-fare — warfare in which opposing groups or nations have unequal military resources, and the weaker opponent uses unconventional weapons and tactics, as terrorism, to exploit the vulnerabilities of the enemy.
- at bus architecture — Industry Standard Architecture
- at one's discretion — as one wishes
- at your convenience — at a time suitable to you
- atherton technology — (company) The comapny that developed the Software BackPlane CASE framework. Their Atherton Tool Integration Services were the basis for the ATIS standard.
- atmospheric braking — a technique of reentry in which the vehicle is maneuvered in the upper atmosphere so as to lose velocity by utilizing drag without overheating.
- attachment disorder — an emotional and behavioral disorder arising from a failure to form a strong bond with one’s primary caregiver in early childhood and affecting one’s social relationships in later childhood and adulthood. See also attachment (def 3a).
- attendance register — an official list of people who are present at an institution such as a school
- attractive nuisance — Law. a doctrine of tort law under which a person who creates or permits to exist on his or her land a dangerous condition attractive to children, as an unfenced swimming pool, is liable for their resulting injuries, even though the injured are trespassers.
- auriculoventricular — atrioventricular.
- autoerotic asphyxia — asphyxia caused by intentionally strangling oneself while masturbating in order to intensify the orgasm through reduced oxygen flow to the brain.
- avogadro's constant — the number of atoms or molecules in a mole of a substance, equal to 6.022 52 × 1023
- bacillary dysentery — shigellosis.
- backward compatible — backward compatibility
- backward somersault — a somersault performed in a backward direction with the legs leading the rest of the body
- bacteriochlorophyll — a pale blue-gray form of chlorophyll that is unique to the photosynthetic but anaerobic purple bacteria.