15-letter words containing e, t, a, r, i, o
- an axe to grind — an ulterior motive
- anacostia river — a river in the District of Columbia flowing into the Potomac River. about 24 miles (39 km) long.
- 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.
- androstenedione — a weak hormone, C19H26O2, produced by the ovaries, testes, and adrenal glands as a precursor to estrogen, testosterone, etc.: formerly taken in a concentrated tablet or capsule form as by some bodybuilders
- 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
- angustirostrate — having a narrow, beak-like part
- anne of austria — 1601–66, wife of Louis XIII of France and daughter of Philip III of Spain: regent of France (1643–61) for her son Louis XIV
- antarctic ocean — the sea surrounding Antarctica, consisting of the most southerly parts of the Pacific, Atlantic, and Indian Oceans
- anteprohibition — before prohibition.
- anteroposterior — Relating to or directed toward both front and back.
- anthropocentric — regarding man as the most important and central factor in the universe
- anthropogenesis — the study of the origins of man
- 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.
- anthropophagite — a cannibal
- anti-censorship — the act or practice of censoring.
- anti-commercial — of, relating to, or characteristic of commerce.
- anti-globalizer — a political activist who challenges the concept of globalization and promotes practices that do not cause environmental damage
- anti-productive — having the power of producing; generative; creative: a productive effort.
- anti-revolution — an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed.
- 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
- antiferromagnet — a material which exhibits antiferromagnetism
- 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
- antiprogressive — opposed to or acting against progression in society
- antiremonstrant — the party that opposed the Remonstrants
- antiretrovirals — Plural form of antiretroviral.
- antisegregation — opposed to or acting against segregration
- 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.
- aphrodite terra — a large plateau region that stretches approximately halfway around the middle latitude of Venus.
- apolipoproteins — Plural form of apolipoprotein.
- apollo asteroid — one of a number of asteroids whose orbits cross that of the earth.
- apostle pitcher — a stoneware pitcher decorated in relief with figures of the apostles.
- apprentice work — work done when young and a novice
- appropriateness — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximateness — The quality of being approximate.
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- archaeobotanist — A person engaged in archaeobotany.
- archiepiscopate — the rank, office, or term of office of an archbishop
- architectonical — Alternative form of architectonic.
- aristotelianism — a philosophical tradition based on the wide-ranging belief system of Aristotle
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- arrondissements — Plural form of arrondissement.
- arterialization — to convert (venous blood) into arterial blood by the action of oxygen in the lungs.