15-letter words containing p, a, t, c
- anticlinal trap — An anticlinal trap is a structural trap which is closed by an anticline (= an arch-shaped fold in rock, in which rock layers are upwardly convex).
- anticompetitive — (in business) discouraging competition
- antiperistaltic — reversed peristaltic action of the intestines, by which their contents are carried upward.
- antispeculation — opposed to or acting against excessive oil speculation
- antispeculative — opposed to or acting against speculation
- apartment block — building: flats, apartments
- apical meristem — meristem at the apex of a root or shoot.
- aplastic anemia — a form of anemia resulting from a failure of the bone marrow to produce adequate quantities of the essential blood components, including leukocytes and platelets
- apocalyptically — of or like an apocalypse; affording a revelation or prophecy.
- apollo computer — (company) A company making workstations often used for CAD. From 1980 to 1987, Apollo were the largest manufacturer of network workstations. Apollo workstations ran Aegis, a proprietary operating system with a Posix-compliant Unix alternative frontend. Apollo's networking was particularly elegant, among the first to allow demand paging over the network, and allowing a degree of network transparency and low sysadmin-to-machine ratio that is still unmatched. Apollo's largest customers were Mentor Graphics (electronic design), GM, Ford, Chrysler, and Boeing (mechanical design). Apollo was acquired by Hewlett-Packard in 1989, and gradually closed down over the period 1990-1997.
- apostle pitcher — a stoneware pitcher decorated in relief with figures of the apostles.
- apostles' creed — a concise statement of Christian beliefs dating from about 500 ad, traditionally ascribed to the Apostles
- apostolic vicar — vicar apostolic.
- apostolicalness — The state or quality of being apostolical.
- apostrophically — (rhetoric) Using apostrophe; with sudden exclamatory dialogue.
- appalachian tea — any of various plants, as withe rod, whose leaves were used locally for tea in pioneer times
- appellate court — In the United States, an appellate court is a special court where people who have been convicted of a crime can appeal against their conviction.
- apple macintosh — Macintosh
- applesoft basic — (language) A version of BASIC for Apple computers.
- apprentice work — work done when young and a novice
- apprenticeships — Plural form of apprenticeship.
- approach lights — lights on the runway that guide planes coming in to land
- approachability — capable of being approached; accessible.
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- arch of triumph — Arc de Triomphe.
- archiepiscopate — the rank, office, or term of office of an archbishop
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- astrophysically — from an astrophysical point of view
- astrophysicists — Plural form of astrophysicist.
- athletic sports — sports, esp track and field events, in which athleticism is required
- atlantic puffin — any of several alcidine sea birds of the genera Fratercula and Lunda, having a short neck and a large, compressed, grooved bill, as F. arctica (Atlantic puffin) of the North Atlantic.
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- automatic pilot — An automatic pilot or an autopilot is a device in an aircraft that automatically keeps it on a particular course.
- automorphically — in an automorphic manner
- autostereoscopy — The display of stereoscopic images without the use of special viewing equipment.
- autotrophically — through an autotrophic process
- back plastering — the introduction of partitions of lath and plaster between the inner and outer surfaces of a stud wall in order to improve the insulating properties of the wall.
- back projection — a method of projecting pictures onto a translucent screen so that they are viewed from the opposite side, used esp in films to create the illusion that the actors in the foreground are moving
- backup rotation — (operating system) Any system for re-using backup media, e.g. magnetic tape. One extreme would be to use the same media for every backup (e.g. copy disk A to disk B), the other extreme would be to use new media every time. The trade-off is between the cost of buying and storing media and the ability to restore any version of any file. One example is the Grandfather, Father, Son (GFS) scheme.
- backup software — (tool, software) Software for doing a backup, often included as part of the operating system. Backup software should provide ways to specify what files get backed up and to where. It may include its own scheduling function to automate the procedure or, preferably, work with generic scheduling facilities. It may include facilities for managing the backup media (e.g. maintaining an index of tapes) and for restoring files from backups. Examples are Unix's dump command and Windows's ntbackup.
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- bank acceptance — a bill of exchange or draft drawn on and endorsed by a bank
- banking product — one of the various services offered by a bank to its customers: mortgages, loans, insurance etc
- birch partridge — ruffed grouse
- bits and pieces — You can use bits and pieces or bits and bobs to refer to a collection of different things.
- black operation — a covert and undocumented military operation
- black september — a Palestinian Terrorist group, responsible for the assassinations of Israeli athletes at the Olympic Games at Munich in 1972
- bowel complaint — bowel disease or condition
- box the compass — to name the compass points in order
- brake parachute — a parachute attached to the rear of a vehicle and opened to assist braking