13-letter words containing a, e, r, 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.
- alfred austin — Alfred, 1835–1913, English poet: poet laureate 1896–1913.
- all over with — above in place or position: the roof over one's head.
- allergenicity — causing allergic sensitization.
- alliterations — Plural form of alliteration.
- allylthiourea — thiosinamine.
- alpha emitter — a radioactive isotope that emits alpha particles
- alphabetarian — a person learning, or studying, the alphabet
- alphabetiform — having similarities to letters of the alphabet
- alpine tundra — a tundra that is treeless because of high elevation rather than high latitude.
- alstroemerias — Plural form of alstroemeria.
- alterableness — The state or quality of being alterable.
- altered chord — a chord in which one or more notes are chromatically changed by the introduction of accidentals
- alternateness — The state or quality of being alternate.
- alternatingly — to interchange repeatedly and regularly with one another in time or place; rotate (usually followed by with): Day alternates with night.
- alternatively — You use alternatively to introduce a suggestion or to mention something different to what has just been stated.
- alternativism — The rejection of a social normality through the pursuit of alternatives.
- alternativity — A characteristic of something having alternative connotations, akin to the representation of choice between two or more possibilities.
- 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
- amarantaceous — amaranthine
- amateur night — an entertainment featuring amateur performers, often in competition for prizes.
- ambidexterity — ambidextrous ease, skill, or facility.
- ambidexterous — ambidextrous
- ambrette seed — the seed of the abelmosk.
- aminotriazole — a white, crystalline, soluble powder, NHNC(NH2)NCH, used for killing weeds or other undesired vegetation: a carcinogen
- amitriptyline — a tricyclic antidepressant drug. Formula: C20H23N
- amitryptyline — a drug with several uses, most commonly prescribed to treat depression
- ammonia water — ammonia (def 2).
- 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).
- amphiprostyle — (esp of a classical temple) having a set of columns at both ends but not at the sides
- amphitheaters — Plural form of amphitheater.
- amphitheatral — relating to an amphitheatre, taking place in an amphitheatre
- amphitheatres — Plural form of amphitheatre.
- amphitheatric — Of, pertaining to, exhibited in, or resembling an amphitheatre.
- amphitrichate — having a single flagellum at each end.
- amphotericins — Plural form of amphotericin.
- anagrammatise — To produce an anagram of (a piece of text).
- anagrammatize — to arrange into an anagram
- anathematizer — One who anathematizes; a severe critic.
- anchor pocket — a recess in the bow of a vessel, for housing a stockless anchor.
- ancient greek — the Greek language from the earliest records to about 300 bc, the chief dialect areas of which were Aeolic, Arcadic, Doric, and Ionic (including Attic)
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- angelica tree — Hercules'-club
- 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.
- angle bracket — either of a pair of brackets having the shapes < and >
- animadverting — Present participle of animadvert.
- anisometropia — an imbalance in the power of the two eyes to refract light