13-letter words containing a, r, n, t
- amarantaceous — amaranthine
- amateur night — an entertainment featuring amateur performers, often in competition for prizes.
- amazon parrot — any of several tropical American green parrots of the genus Amazona, popular as pets.
- 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).
- amphitryon 38 — a play (1938) by Jean Giraudoux.
- amphotericins — Plural form of amphotericin.
- anachronistic — You say that something is anachronistic when you think that it is out of date or old-fashioned.
- anagrammatise — To produce an anagram of (a piece of text).
- anagrammatism — The creation of anagrams.
- anagrammatist — A creator (finder) of anagrams, one who comes up with anagrams.
- anagrammatize — to arrange into an anagram
- anak krakatau — a volcanic island in Indonesia formed by volcanic eruptions during and subsequent to 1927
- 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.
- anfractuosity — the condition or quality of being anfractuous
- 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 >
- 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).
- animadverting — Present participle of animadvert.
- animal rights — People who are concerned with animal rights believe very strongly that animals should not be exploited or harmed by humans.
- animal starch — glycogen.
- anisometropia — an imbalance in the power of the two eyes to refract light
- anisometropic — relating to anisometropia
- anna christie — a play (1921) by Eugene O'Neill.
- 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
- another place — the other House of Parliament (used in the House of Commons to refer to the House of Lords and vice versa)
- another-guess — of another kind.
- answerability — liable to be asked to give account; responsible: He is answerable to a committee for all his decisions.
- antarctictite — (mineral) A saline evaporite consisting of calcium chloride, CaCl.6H2O, found in Victoria Land, Antarctica.
- ante meridiem — before noon
- ante-christum — before Christ. Abbreviation: A.C.
- ante-meridian — occurring before noon.
- antenna array — a directional antenna or system of antennas for radio transmission or reception.
- antenniferous — having antennae
- anterolateral — Both anterior and lateral.
- anthony hoare — (person) (C. Anthony R. Hoare, Tony) A computer scientist working on programming languages, especially parallel ones. Hoare was responsible for Communicating Sequential Processes (CSP). See also: pointer, Simone.
- anthraquinone — a yellow crystalline solid used in the manufacture of dyes, esp anthraquinone dyes, which have excellent colour properties. Formula: C6H4(CO)2C6H4
- anthropogenic — relating to anthropogenesis
- anthropolatry — the worship of a human as a god
- anthropologic — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- anthropometer — an instrument that consists of a calibrated, vertical rod to which are attached two horizontal arms, one fixed and one movable, for measuring the human trunk and limbs.
- anthropometry — the comparative study of sizes and proportions of the human body