16-letter words containing a, e, r, o
- 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
- apollo belvedere — a Roman marble statue, possibly a copy of a Greek original of the 4th–1st centuries b.c.
- 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.
- apple of discord — a golden apple inscribed "For the fairest". It was claimed by Hera, Athena, and Aphrodite, to whom Paris awarded it, thus beginning a chain of events that led to the Trojan War
- apple tree borer — Also called flatheaded apple tree borer. the larva of a metallic wood-boring beetle, Chrysobothris femorata, that bores into the wood of apple and other fruit trees.
- appraisal method — a method used for the appraisal of an employee
- approachableness — capable of being approached; accessible.
- archaeoastronomy — the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations
- archaeologically — In an archaeological manner.
- 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.
- archival storage — a method of retaining information outside of the internal memory of a computer
- armed forces day — the third Saturday in May, observed in some areas of the U.S. as a holiday in honor of all branches of the armed forces.
- aromatherapeutic — Of or pertaining to aromatherapy.
- 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
- arteriocapillary — Relating to the arteries and the capillaries.
- arteriosclerosis — Arteriosclerosis is a medical condition in which the walls of your arteries become hard and thick, so your blood cannot flow through them properly.
- arteriosclerotic — degenerative changes in the arteries, characterized by thickening of the vessel walls and accumulation of calcium with consequent loss of elasticity and lessened blood flow.
- arthus' reaction — a severe, local immune reaction to the injection of an antigen in a sensitized host.
- article of faith — If something is an article of faith for a person or group, they believe in it totally.
- article of virtu — an object that it interesting because of its rarity, beauty or appeal to a connoisseur
- as a last resort — If you do something as a last resort, you do it because you can find no other way of getting out of a difficult situation or of solving a problem.
- ask for feedback — If you ask for feedback, you ask someone, such as a guest in a hotel, to tell you if they enjoyed their stay and what could be improved.
- assembly routine — assembler (def 2a).
- assistant editor — a person who assists an editor in their work
- associate degree — An associate degree is a college degree that is awarded to a student who has completed a two-year course of study.
- associate member — a person who is a member of a club, organization etc. but has only partial rights and privileges or subordinate status
- 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.
- astroarchaeology — archaeoastronomy.
- astroengineering — (scifi) The construction of megastructures in space by technologically advanced beings.
- astrometeorology — the study of the theoretical effects of astronomical bodies and forces on the earth's atmosphere.
- 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 full throttle — If you say that something is done at full throttle, you mean that it is done with great speed and enthusiasm.
- at liberty to do — If someone is at liberty to do something, they have been given permission to do it.
- at one's leisure — when one has free time