15-letter words containing a, n, t
- ancylostomiasis — infestation of the human intestine with blood-sucking hookworms, causing progressive anaemia
- andes lightning — an electrical discharge of the corona type, occurring over mountains when the atmosphere is electrically disturbed.
- andrew of crete — a.d. c650–730, Greek poet and Orthodox archbishop of Crete.
- 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
- anesthetization — to render physically insensible, as by an anesthetic.
- anfractuosities — Plural form of anfractuosity.
- angel's-trumpet — any of several plants belonging to the genera Brugmansia and Datura, of the nightshade family, having large, trumpet-shaped flowers in a variety of colors.
- 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
- 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 attack — the acute angle between the chord line of an aerofoil and the undisturbed relative airflow
- angustirostrate — having a narrow, beak-like part
- anisotropically — Physics. of unequal physical properties along different axes. Compare isotropic (def 1).
- ankylostomiasis — ancylostomiasis
- 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.
- annuity certain — an annuity payable for a certain number of years regardless of any contingency.
- annuity payment — a payment that the investor receives at regular intervals from an annuity
- 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.
- antarctic beech — any tree of the genus Nothofagus, related to the beech and native to temperate Australasia and South America, esp Nothofagus cunninghamii of SE Australia or Nothofagus moorei of NE Australia
- antarctic ocean — the sea surrounding Antarctica, consisting of the most southerly parts of the Pacific, Atlantic, and Indian Oceans
- antarctic plate — a major tectonic division of the earth's crust, comprising Antarctica and adjacent ocean basins (the South Indian, Southeast Pacific, and Atlantic-Indian basins) and bounded on the north by the Nazca, South American, African, Indo-Australian, and Pacific plates.
- antenatal class — a class that women attend when they are pregnant to learn how to stay healthy, cope with the birth, look after the newborn baby etc
- antepenultimate — third from last
- anteprohibition — before prohibition.
- 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.
- anthony vandyke — Sir Anthony, Van Dyck, Sir Anthony.
- anthropobiology — the biological study of the human species
- anthropocentric — regarding man as the most important and central factor in the universe
- anthropogenesis — the study of the origins of man
- anthropological — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- 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.
- anthropomorphic — Anthropomorphic means relating to the idea that an animal, a god, or an object has feelings or characteristics like those of a human being.
- anthropopathism — ascription of human passions or feelings to a being or beings not human, especially to a deity.
- anthropophagite — a cannibal
- anthropophagous — Who practices anthropophagy.
- anthropopsychic — the attribution of consciousness to divine beings and nature
- anthroposophist — A proponent of anthroposophy.
- anti-allergenic — not aggravating an allergy; intended or prepared for those suffering from an allergy: antiallergenic cosmetics.
- anti-capitalism — an economic system in which investment in and ownership of the means of production, distribution, and exchange of wealth is made and maintained chiefly by private individuals or corporations, especially as contrasted to cooperatively or state-owned means of wealth.
- anti-censorship — the act or practice of censoring.
- anti-commercial — of, relating to, or characteristic of commerce.
- anti-conformist — a person who conforms, especially unquestioningly, to the usual practices or standards of a group, society, etc.
- anti-corruption — the act of corrupting or state of being corrupt.
- anti-depressant — An anti-depressant is a drug which is used to treat people who are suffering from depression.