13-letter words containing o, n, a, t
- alectryomancy — an ancient form of divination, using a rooster to select grains of food placed on letters of the alphabet.
- all-important — crucial; vital
- alliterations — Plural form of alliteration.
- allochthonous — (of rocks, deposits, etc) found in a place other than where they or their constituents were formed
- along the way — If something happens on the way or along the way, it happens during the course of a particular event or process.
- 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
- amalgamations — Plural form of amalgamation.
- amarantaceous — amaranthine
- amazon parrot — any of several tropical American green parrots of the genus Amazona, popular as pets.
- ambient noise — the level of the total noise in an area
- 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.
- amphictyonies — Plural form of amphictyony.
- amphitryon 38 — a play (1938) by Jean Giraudoux.
- amphotericins — Plural form of amphotericin.
- amplification — the act or result of amplifying
- anachronistic — You say that something is anachronistic when you think that it is out of date or old-fashioned.
- analogization — A process or act of analogizing.
- anaphylactoid — Of, pertaining to, or resembling anaphylaxis.
- anatomization — A process or act of anatomizing.
- anchor pocket — a recess in the bow of a vessel, for housing a stockless anchor.
- and then some — and more than that
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- anecdotically — in an anecdotical manner
- anesthetic to — incapable of feeling or responding to
- anfractuosity — the condition or quality of being anfractuous
- angiokeratoma — a skin disease characterized by clusters of dilated blood vessels and by thickened skin, forming warty growths, especially on the scrotum, fingers, and toes.
- angioplasties — Plural form of angioplasty.
- angiotensin i — 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.
- anglicisation — The process by which something or someone (usually a word) is made more English. Usually applied to language or culture.
- anglicization — (US) alternative spelling of anglicisation.
- angora rabbit — a breed of rabbit with long usually white silky hair
- Ångstrom unit — a unit of length equal to 10 −10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre
- anharmonicity — (mechanics) Of or pertaining to the deviation of a system from harmonicity (being a harmonic oscillator).
- animalization — to excite the animal passions of; brutalize; sensualize.
- anisometropia — an imbalance in the power of the two eyes to refract light
- anisometropic — relating to anisometropia
- annexationism — the theory or practice of taking over another country's territory, especially by force.
- annexationist — the theory or practice of taking over another country's territory, especially by force.
- annotated ada — (language, specification) (Anna) A specification language developed at Stanford University ca. 1980 for formally specifying Ada programs. It has a Specification Analyzer and a Consistency Checking System. It adds semantic assertions in the form of Ada comments.
- announcements — Plural form of announcement.
- annual report — a report presented by the directors of a company to its shareholders each year, containing the profit-and-loss account, the balance sheet, and details of the past year's activity
- annunciations — Plural form of annunciation.