15-letter words containing c, r, e, a
- amicable number — either of a pair of positive integers in which each member is equal to the sum of the submultiples of the other, as 220 and 284.
- amphitheatrical — Having some of the characteristics of an amphitheatre.
- 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
- anamorphic lens — a component in the optical system of a film projector for converting standard 35mm film images into wide-screen format
- 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 carnegie — Andrew, 1835–1919, U.S. steel manufacturer and philanthropist, born in Scotland.
- andrew of crete — a.d. c650–730, Greek poet and Orthodox archbishop of Crete.
- andromonoecious — (of a plant species) having hermaphrodite and male flowers on the same plant
- aneroid capsule — a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter.
- 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
- annuity certain — an annuity payable for a certain number of years regardless of any contingency.
- annular eclipse — an eclipse of the sun in which the moon does not cover the entire disc of the sun, so that a ring of sunlight surrounds the shadow of the moon
- annulled branch — delayed control-transfer
- antarctic beech — any tree of the genus Nothofagus, related to the beech and native to temperate Australasia and South America, esp Nothofagus cunninghamii of SE Australia or Nothofagus moorei of NE Australia
- antarctic ocean — the sea surrounding Antarctica, consisting of the most southerly parts of the Pacific, Atlantic, and Indian Oceans
- antarctic plate — a major tectonic division of the earth's crust, comprising Antarctica and adjacent ocean basins (the South Indian, Southeast Pacific, and Atlantic-Indian basins) and bounded on the north by the Nazca, South American, African, Indo-Australian, and Pacific plates.
- anthropocentric — regarding man as the most important and central factor in the universe
- 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.
- anti-allergenic — not aggravating an allergy; intended or prepared for those suffering from an allergy: antiallergenic cosmetics.
- anti-censorship — the act or practice of censoring.
- anti-commercial — of, relating to, or characteristic of commerce.
- anti-productive — having the power of producing; generative; creative: a productive effort.
- anti-republican — of, relating to, or of the nature of a republic.
- antibureaucracy — Opposed to bureaucracy.
- anticancer drug — a drug used to treat cancer
- anticarcinogens — Plural form of anticarcinogen.
- 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
- anticlericalism — opposed to the influence and activities of the clergy or the church in secular or public affairs.
- 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
- antiperistaltic — reversed peristaltic action of the intestines, by which their contents are carried upward.
- 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
- apical meristem — meristem at the apex of a root or shoot.
- 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
- 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
- apprentice work — work done when young and a novice
- apprenticeships — Plural form of apprenticeship.
- 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.
- arabic numerals — the figures 1, 2, 3, 4, 5, 6, 7, 8, 9, and the 0 (zero) that originated in India; Hindu-Arabic numerals