13-letter words containing o, a, t
- alcoholometry — the process of measuring the concentration of alcohol in a liquid, such as in blood or a liquor
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine
- alectryomancy — an ancient form of divination, using a rooster to select grains of food placed on letters of the alphabet.
- all over with — above in place or position: the roof over one's head.
- all-important — crucial; vital
- allhallowtide — the season of All Saints' Day (Allhallows)
- alligator gar — a large, heavily scaled fish, Lepisosteus spatula, with an elongated body and long snout, found mainly in shallow weedy fresh water in the southeastern U.S.
- alligatorfish — a slender marine fish, Aspidophoroides monopterygius, of Atlantic seas, having overlapping plates covering the body.
- alliterations — Plural form of alliteration.
- allochromatic — Physical Chemistry. pertaining to or having photochemical properties resulting from an impurity or from exposure to radiation.
- allochthonous — (of rocks, deposits, etc) found in a place other than where they or their constituents were formed
- allotriomorph — (geology) A mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.
- allotriophagy — (rare) Having food cravings that are different from the expected or the norm.
- allotypically — in the manner of an allotype
- allowable cut — the amount of a natural resource, as grain or oil, that may be harvested or taken from the earth within a specified period, as limited by law for conservation.
- allylthiourea — thiosinamine.
- along the way — If something happens on the way or along the way, it happens during the course of a particular event or process.
- alphabet code — a list of easily distinguishable words, each representing a letter of the alphabet, used in radio and telephonic communications.
- alphabet soup — a confusing series of acronyms or abbreviations
- alphabetiform — having similarities to letters of the alphabet
- alstroemerias — Plural form of alstroemeria.
- altered chord — a chord in which one or more notes are chromatically changed by the introduction of accidentals
- althorp house — a mansion in Northamptonshire: seat of the Earls Spencer since 1508; originally a medieval house; altered (1787) to its present neoclassical style by Henry Holland. Diana, Princess of Wales is buried on Round Oval Island in the centre of the ornamental lake in Althorp Park
- aluminothermy — a process for reducing metallic oxides using finely divided aluminium powder. The mixture of aluminium and the oxide is ignited, causing the aluminium to be oxidized and the metal oxide to be reduced to the metal
- alumosilicate — (inorganic chemistry) The anion [AlSiO4]-1.
- amalgamations — Plural form of amalgamation.
- amarantaceous — amaranthine
- amazon parrot — any of several tropical American green parrots of the genus Amazona, popular as pets.
- ambidexterous — ambidextrous
- ambient noise — the level of the total noise in an area
- ambimoustrous — able to use a computer mouse proficiently with either hand
- ambitiousness — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
- amenhotep iii — Greek name Amenophis. ?1411–?1375 bc, Egyptian pharaoh who expanded Egypt's influence by peaceful diplomacy and erected many famous buildings
- aminobenzoate — (organic chemistry) Any salt or ester of aminobenzoic acid.
- aminothiazole — (chemistry) A heterocyclic amine, the starting point for synthesis of many compounds, sometimes used as a thyroid inhibitor in the treatment of hyperthyroidism.
- aminotriazole — a white, crystalline, soluble powder, NHNC(NH2)NCH, used for killing weeds or other undesired vegetation: a carcinogen
- ammonia water — ammonia (def 2).
- ammonium salt — any salt containing the NH 4 + ion, formed by the neutralization of ammonium hydroxide by an acid.
- amniocenteses — Plural form of amniocentesis.
- amniocentesis — If a pregnant woman has an amniocentesis, fluid is removed from her womb in order to check that her unborn baby is not affected by certain genetic disorders.
- amor asteroid — one of a small group of asteroids whose orbits approach but do not cross that of the earth: named after the first such asteroid discovered (1932).
- amphictyonies — Plural form of amphictyony.
- amphiprostyle — (esp of a classical temple) having a set of columns at both ends but not at the sides
- amphistomatal — (of a leaf) having stomata on both surfaces
- amphitrichous — having a single flagellum at each end.
- amphitryon 38 — a play (1938) by Jean Giraudoux.
- amphotericins — Plural form of amphotericin.
- amplification — the act or result of amplifying
- amplificatory — of the nature of enlargement or extension, as of a statement, narrative, etc.
- anachronistic — You say that something is anachronistic when you think that it is out of date or old-fashioned.