16-letter words containing r, o, a
- 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
- anharmonic ratio — cross ratio.
- 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.
- annus horribilis — a terrible year
- 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
- anopisthographic — a manuscript, parchment, or book having writing on only one side of the leaves.
- 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.
- anthropomorphism — Anthropomorphism is the idea that an animal, a god, or an object has feelings or characteristics like those of a human being.
- anthropomorphist — One who anthropomorphizes.
- anthropomorphize — to attribute or ascribe human form or behaviour to (a god, animal, object, etc)
- anthropomorphous — shaped like a human being
- anthropophagites — Plural form of anthropophagite.
- anthroposemiotic — Of or pertaining to anthroposemiotics.
- anthroposophical — of or relating to anthroposophy
- anti-abortionist — An anti-abortionist is someone who wants to limit or prevent the legal availability of abortions.
- anti-aphrodisiac — Also, aphrodisiacal [af-ruh-duh-zahy-uh-kuh l, -sahy-] /ˌæf rə dəˈzaɪ ə kəl, -ˈsaɪ-/ (Show IPA). arousing sexual desire.
- anti-consumerism — a modern movement for the protection of the consumer against useless, inferior, or dangerous products, misleading advertising, unfair pricing, etc.
- anti-immigration — the act of immigrating.
- anti-integration — an act or instance of combining into an integral whole.
- anti-monarchical — of, like, or pertaining to a monarch or monarchy.
- 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-prohibition — the act of prohibiting.
- anti-rationalism — the principle or habit of accepting reason as the supreme authority in matters of opinion, belief, or conduct.
- anti-rationalist — the principle or habit of accepting reason as the supreme authority in matters of opinion, belief, or conduct.
- anti-romanticism — romantic spirit or tendency.
- 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.
- antiinflammatory — Alternative spelling of anti-inflammatory.
- antiparkinsonian — An antiparkinsonian is an agent used in the treatment of Parkinson's disease.
- antipornographic — Opposing pornography.
- 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
- apollo belvedere — a Roman marble statue, possibly a copy of a Greek original of the 4th–1st centuries b.c.
- apostolic church — the Christian church as founded by the apostles.
- apparent horizon — the apparent line that divides the earth and the sky