15-letter words containing a, c, r, o, t
- american smooth — a style of competitive ballroom dancing which incorporates elements of Latin dance
- americanization — Americanization is the process by which people or countries become more and more similar to Americans and the United States.
- americanologist — a foreign expert or specialist in American cultural or political matters: a leading Americanologist in the Kremlin.
- anacostia river — a river in the District of Columbia flowing into the Potomac River. about 24 miles (39 km) long.
- analog computer — a mechanical, electrical, or electronic computer that performs arithmetical operations by using some variable physical quantity, such as mechanical movement or voltage, to represent numbers
- anchorage point — a point to which something such as the straps securing a childseat can be safely attached
- ancient history — Ancient history is the history of ancient civilizations, especially Greece and Rome.
- andrew of crete — a.d. c650–730, Greek poet and Orthodox archbishop of Crete.
- anfractuosities — Plural form of anfractuosity.
- angina pectoris — a sudden intense pain in the chest, often accompanied by feelings of suffocation, caused by momentary lack of adequate blood supply to the heart muscle
- anisotropically — Physics. of unequal physical properties along different axes. Compare isotropic (def 1).
- antarctic ocean — the sea surrounding Antarctica, consisting of the most southerly parts of the Pacific, Atlantic, and Indian Oceans
- anthropocentric — regarding man as the most important and central factor in the universe
- anthropological — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- 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.
- anthropomorphic — Anthropomorphic means relating to the idea that an animal, a god, or an object has feelings or characteristics like those of a human being.
- anthropopsychic — the attribution of consciousness to divine beings and nature
- anti-censorship — the act or practice of censoring.
- anti-commercial — of, relating to, or characteristic of commerce.
- anti-conformist — a person who conforms, especially unquestioningly, to the usual practices or standards of a group, society, etc.
- anti-corruption — the act of corrupting or state of being corrupt.
- anti-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- anti-productive — having the power of producing; generative; creative: a productive effort.
- antiaphrodisiac — something that represses sexual desire
- antiaristocracy — Opposed to the aristocracy.
- anticarcinogens — Plural form of anticarcinogen.
- anticardiolipin — (medicine, immunology) Directed against cardiolipin.
- anticholesterol — an agent which acts against cholesterol, either as an antibody produced naturally by many mammals or in the form of a drug
- anticholinergic — blocking nerve impulses through the parasympathetic nerves
- antiforeclosure — opposed to the process of foreclosure
- antihemorrhagic — That stops or reduces hemorrhage.
- antilock brakes — brakes fitted to some road vehicles that prevent skidding and improve control by sensing and compensating for overbraking
- antimonarchical — opposed to the monarchy
- antiromanticism — the opposition to romanticism
- antitheoretical — opposed to or contradicting a theory
- antituberculous — (medicine) Acting to combat or counteract tuberculosis.
- aortic stenosis — abnormal narrowing of the aorta, especially of its orifice, usually as a result of rheumatic fever or embryologic anomalies.
- apartment block — building: flats, apartments
- 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.
- apostrophically — (rhetoric) Using apostrophe; with sudden exclamatory dialogue.
- 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.
- apprentice work — work done when young and a novice
- 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.
- archaeastronomy — (astronomy, archaeology) The historical, especially archeological, study of astronomy; the study of the astronomical systems and methods of ancient cultures often embracing the astrology and cosmology of the past.