16-letter words containing e, n, r, o
- andromeda galaxy — a spiral galaxy, appearing to the naked eye as a fuzzy oval patch in the constellation Andromeda; it is a close neighbor to our own galaxy.
- andromeda strain — a hypothetical microorganism, as might be developed from biological research, that if released would uncontrollably kill living things on earth
- angular momentum — a property of a mass or system of masses turning about some fixed point; it is conserved in the absence of the action of external forces
- angular velocity — the velocity of a body rotating about a specified axis measured as the rate of change of the angle subtended at that axis by the path of the body
- animated cartoon — a film produced by photographing a series of gradually changing drawings, etc, which give the illusion of movement when the series is projected rapidly
- anne of brittany — 1477–1514, wife of Maximilian I of Austria 1490–91; queen consort of Charles VIII of France 1491–98; queen consort of Louis XII of France 1499–1514.
- anode dark space — the dark region between the anode glow and the anode in a vacuum tube, occurring when the pressure is low.
- anode resistance — (of a vacuum tube at a given level of output) the ratio of a small change in voltage of the anode to the corresponding small change in anode current.
- anomalistic year — the interval between two successive passages of the earth through perihelion; 365.25964 mean solar days
- anorexia nervosa — an eating disorder primarily affecting adolescent girls and young women, characterized by pathological fear of becoming fat, distorted body image, excessive dieting, and emaciation.
- answer-back code — a unique code that identifies the telex machine to which a message is sent
- anterioposterior — Alternative form of anteroposterior.
- anthropocentrism — an anthropocentric theory or view.
- anthropometrical — Pertaining to anthropometry.
- anthropomorphise — Non-Oxford British standard spelling of anthropomorphize.
- anthropomorphize — to attribute or ascribe human form or behaviour to (a god, animal, object, etc)
- anthropophagites — Plural form of anthropophagite.
- anthroposemiotic — Of or pertaining to anthroposemiotics.
- anti-consumerism — a modern movement for the protection of the consumer against useless, inferior, or dangerous products, misleading advertising, unfair pricing, etc.
- anti-integration — an act or instance of combining into an integral whole.
- anti-orientalism — a peculiarity or idiosyncrasy of the peoples of Asia, especially the East.
- anti-progressive — favoring or advocating progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, especially in political matters: a progressive mayor.
- anti-segregation — the act or practice of segregating; a setting apart or separation of people or things from others or from the main body or group: gender segregation in some fundamentalist religions.
- anti-theoretical — of, relating to, or consisting in theory; not practical (distinguished from applied).
- anticholinergics — Plural form of anticholinergic.
- antihypertension — Pathology. elevation of the blood pressure, especially the diastolic pressure. an arterial disease characterized by this condition.
- antirecessionary — used to counteract or offest the economic effects of a recession: the president's antirecessionary program.
- antitorque rotor — (on certain helicopters) a small rotor on the tail, turning in the vertical plane and providing a thrust whose torque opposes and compensates for the torque of the main rotor.
- antoinette perry — Antoinette, 1888–1946, U.S. actress, theatrical manager, and producer.
- anxiety disorder — any of various mental disorders characterized by extreme anxiety and including panic disorder, post-traumatic stress disorder, and generalized anxiety disorder
- anxiety neurosis — a relatively mild form of mental illness characterized by extreme distress and agitation, often occurring without any obvious cause
- apparent horizon — the apparent line that divides the earth and the sky
- appearance money — Appearance money is money paid to a famous person such as a sports star or film star for taking part in a public event.
- approachableness — capable of being approached; accessible.
- archaeoastronomy — the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations
- archaeomagnetism — an archaeological technique for dating certain clay objects by measuring the extent to which they have been magnetized by the earth's magnetic field
- archconservative — consistently holding extremely conservative views: publisher of the city's archconservative newspaper.
- around the clock — continuing without pause or interruption: an around-the-clock guard on the prisoner.
- around the world — in many countries
- around-the-clock — all day and all night
- arsenic trioxide — a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As2O3
- arthus' reaction — a severe, local immune reaction to the injection of an antigen in a sensitized host.
- assembly routine — assembler (def 2a).
- assistant editor — a person who assists an editor in their work
- association area — any of the regions of the cerebral cortex of the brain connected by numerous nerve fibers to all parts of both cerebral hemispheres and coordinating such higher activities as learning and reasoning.
- aston dark space — the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low.
- astroengineering — (scifi) The construction of megastructures in space by technologically advanced beings.
- astronomer royal — an honorary title awarded to an eminent British astronomer: until 1972, the Astronomer Royal was also director of the Royal Greenwich Observatory
- at one's leisure — when one has free time
- atlantic croaker — a person or thing that croaks.