15-letter words containing o, s
- ancient history — Ancient history is the history of ancient civilizations, especially Greece and Rome.
- ancient of days — a name for God, originating in the Authorized Version of the Old Testament (Daniel 7:9)
- ancylostomiasis — infestation of the human intestine with blood-sucking hookworms, causing progressive anaemia
- andromonoecious — (of a plant species) having hermaphrodite and male flowers on the same plant
- 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
- aneroid capsule — a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter.
- anesthetization — to render physically insensible, as by an anesthetic.
- 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
- angiomyolipomas — Plural form of angiomyolipoma.
- angiotensin iii — any of three oligopeptides occurring in plasma, an inactive form (angiotensin I) and two varieties (angiotensin II and angiotensin III) that elevate blood pressure and stimulate the adrenal cortex to secrete aldosterone.
- angle of repose — the maximum angle to the horizontal at which rocks, soil, etc, will remain without sliding
- angustirostrate — having a narrow, beak-like part
- anisotropically — Physics. of unequal physical properties along different axes. Compare isotropic (def 1).
- ankylostomiasis — ancylostomiasis
- annapolis royal — a town in SE Canada in W Nova Scotia on an arm of the Bay of Fundy: the first settlement in Canada (1605). Pop: 550 (2001)
- anne hutchinson — Anne Marbury [mahr-buh-ree] /ˈmɑr bə ri/ (Show IPA), 1591–1643, American religious liberal, born in England: banished from Massachusetts 1637.
- 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
- annihilationism — the teaching or principle that trespassers and evildoers are completely destroyed rather than made to suffer in hell after death
- annihilationist — A person who believes that eternal punishment is the annihilation of both the body and the soul.
- anomalistically — In an anomalistic manner; with irregularity.
- answer the door — When you answer the door, you go and open the door because a visitor has knocked on it or rung the bell.
- anteroposterior — Relating to or directed toward both front and back.
- anthony burgess — Anthony, 1917–93, English novelist and critic.
- anthony hawkins — Sir Anthony Hope ("Anthony Hope") 1863–1933, English novelist and playwright.
- anthropogenesis — the study of the origins of man
- anthropologists — Plural form of anthropologist.
- 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.
- anthropopathism — ascription of human passions or feelings to a being or beings not human, especially to a deity.
- anthropophagous — Who practices anthropophagy.
- anthropopsychic — the attribution of consciousness to divine beings and nature
- anthroposophist — A proponent of anthroposophy.
- anti-censorship — the act or practice of censoring.
- anti-conformist — a person who conforms, especially unquestioningly, to the usual practices or standards of a group, society, etc.
- anti-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- antiabortionist — An antiabortionist is someone who wants to limit or prevent the legal availability of abortions.
- antiaphrodisiac — something that represses sexual desire
- antiaristocracy — Opposed to the aristocracy.
- 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
- anticolonialism — the opposition to colonialism
- anticolonialist — a person who is opposed to colonialism
- anticonvulsants — Plural form of anticonvulsant.
- antifashionable — not conforming to mainstream fashion
- antiforeclosure — opposed to the process of foreclosure
- antihypotensive — An antihypotensive is any drug that raises low blood pressure.
- antilock brakes — brakes fitted to some road vehicles that prevent skidding and improve control by sensing and compensating for overbraking
- antimetabolites — Plural form of antimetabolite.
- antinationalist — a person who is opposed to nationalism
- antipositivists — Plural form of antipositivist.