13-letter words containing a, r, u
- anti-freudian — of or relating to Sigmund Freud or his doctrines, especially with respect to the causes and treatment of neurotic and psychopathic states, the interpretation of dreams, etc.
- anti-universe — a universe made up of antimatter, postulated to exist far out in space
- antiauthority — Opposed to authority.
- anticlinorium — a vast elongated anticline with its strata further folded into anticlines and synclines
- antidiuretics — Plural form of antidiuretic.
- antiguerrilla — acting against guerrilla activity
- antimarijuana — opposed to or acting against the use of marijuana
- antineutrinos — Plural form of antineutrino.
- antipruritics — Plural form of antipruritic.
- antiquitarian — an admirer of the practices of antiquity
- antireligious — opposed to religious ideas, beliefs, and organizations
- antirheumatic — acting against rheumatism
- antiritualism — opposed to ritualism
- antiscorbutic — preventing or curing scurvy
- antisubmarine — (of weapons, missiles, etc) designed to combat or destroy submarines
- antisudorific — an antiperspirant.
- any number of — several or many
- apatosauruses — Plural form of apatosaur.
- aperture card — a punched-card mounting for microfilmed pages.
- aperture mask — a perforated metal plate situated behind the faceplate of a color television picture tube and having holes aligned to insure that each of three electron beams strikes only its corresponding red, green, or blue phosphor dot.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- appeals court — An appeals court is the same as an appellate court.
- apple of peru — a plant, Nicandra physalodes, of the nightshade family, having large blue flowers.
- appoggiaturas — Plural form of appoggiatura.
- appropinquate — to approach
- appropinquity — nearness
- appurtenances — accessories or equipment
- aquaculturist — a person who practises aquaculture
- aqueous humor — a watery fluid in the space between the cornea and the lens of the eye
- arachnivorous — Spider-eating.
- arboriculture — the cultivation of trees or shrubs, esp for the production of timber
- archduchesses — Plural form of archduchess.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- archie bunker — a poorly educated blue-collar worker, holding ultraconservative, racist, and male-chauvinist opinions.
- architectural — Architectural means relating to the design and construction of buildings.
- architectured — Designed (according to a form of architecture, or as if by an architect).
- architectures — Plural form of architecture.
- arcus senilis — an opaque circle around the cornea of the eye, often seen in elderly people
- argand burner — a gas or oil burner designed to let air flow inside and outside a cylindrical wick
- argentiferous — containing or bearing silver
- argilliferous — containing or yielding clay
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- argumentative — Someone who is argumentative is always ready to disagree or start quarrelling with other people.
- armamentarium — the items that comprise the material and equipment used by a physician in his professional practice
- armour-bearer — a retainer who carried the arms or armour of a warrior
- armour-plated — An armour-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- arseniuretted — combined with arsenic so as to form an arsenide.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arteriovenous — of, relating to, or affecting an artery and a vein
- articulations — Plural form of articulation.