15-letter words containing a, p, r, e
- anthropometrics — the science of measuring the size and proportions of the human body (called anthropometry), especially as applied to the design of furniture and machines.
- anthropophagite — a cannibal
- anti-censorship — the act or practice of censoring.
- anti-depressant — An anti-depressant is a drug which is used to treat people who are suffering from depression.
- anti-productive — having the power of producing; generative; creative: a productive effort.
- anti-republican — of, relating to, or of the nature of a republic.
- anti-separatist — a person who separates, withdraws, or secedes, as from an established church.
- antidepressants — of or relating to a substance that is used in the treatment of mood disorders, as characterized by various manic or depressive affects.
- antiperistalses — Plural form of antiperistalsis.
- antiperistalsis — contractions of the intestine that force the contents in the opposite direction to the normal
- antiperistaltic — reversed peristaltic action of the intestines, by which their contents are carried upward.
- antiperspirants — Plural form of antiperspirant.
- antiprogressive — opposed to or acting against progression in society
- apartment block — building: flats, apartments
- apartment hotel — a hotel that rents furnished apartments or suites suitable for housekeeping, on a weekly or more permanent basis, and usually supplies all hotel services.
- apartment house — a building containing a number of residential apartments.
- aphrodite terra — a large plateau region that stretches approximately halfway around the middle latitude of Venus.
- apical meristem — meristem at the apex of a root or shoot.
- apolipoproteins — Plural form of apolipoprotein.
- apollo asteroid — one of a number of asteroids whose orbits cross that of the earth.
- 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
- appeal tribunal — An appeal tribunal is a special court or committee that is formed to reconsider a decision made by another court or committee.
- 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.
- appendicularian — of or relating to a family of molluscs (Appendicularia) characterized by their long tail appendages
- apple-pie order — perfect order or condition
- apprentice work — work done when young and a novice
- apprenticeships — Plural form of apprenticeship.
- appropriateness — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approved school — In Britain in the past, an approved school was a boarding school where young people could be sent to stay if they had been found guilty of a crime.
- approximateness — The quality of being approximate.
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- archibald prize — an annual prize awarded by the Trustees of the Art Gallery of New South Wales since 1921, for outstanding contributions to art, letters, science, and politics
- archiepiscopacy — a form of church government in which power is vested in archbishops.
- archiepiscopate — the rank, office, or term of office of an archbishop
- armaments depot — a store for armaments
- armes parlantes — arms using devices to illustrate the name of the bearers, such as a rose and a wall to illustrate the name Rosewall
- armour-piercing — capable of penetrating armour plate
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- array processor — (processor) (Or "vector processor") A computer, or extension to its arithmetic unit, that is capable of performing simultaneous computations on elements of an array or table of data in some number of dimensions. The IBM AltiVec (the "Velocity Engine" used in the Apple G4 computers) is a vector processor. Common uses for array processors include analysis of fluid dynamics and rotation of 3d objects, as well as data retrieval, in which elements of a database are scanned simultaneously. Array processors are very rare now (1998).
- artillery plant — any of various tropical urticaceous plants of the genus Pilea, such as P. microphylla, all having stamens that discharge their pollen explosively
- assemblypersons — Plural form of assemblyperson.
- asset-stripping — If a person or company is involved in asset-stripping, they buy companies cheaply, sell off their assets to make a profit, and then close the companies down.
- astrophotometry — the measurement of the intensity of light of celestial objects.
- athletic sports — sports, esp track and field events, in which athleticism is required
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- australian pine — casuarina
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.