9-letter words containing a, t, r
- apriority — the quality or fact of being a priori
- aprotinin — (protein) A polypeptide, obtained from bovine lung tissue, that acts as a protease inhibitor, and is used in surgery to reduce bleeding.
- aquarists — Plural form of aquarist.
- aquitards — Plural form of aquitard.
- arability — the suitability of land for growing crops
- aracatuba — a city in SE Brazil.
- aragonite — a generally white or grey mineral, found in sedimentary rocks and as deposits from hot springs. Composition: calcium carbonate. Formula: CaCO3. Crystal structure: orthorhombic
- arational — Not based on or governed by reason.
- arbalests — Plural form of arbalest.
- arbitrage — In finance, arbitrage is the activity of buying shares or currency in one financial market and selling it at a profit in another.
- arbitrary — If you describe an action, rule, or decision as arbitrary, you think that it is not based on any principle, plan, or system. It often seems unfair because of this.
- arbitrate — When someone in authority arbitrates between two people or groups who are in dispute, they consider all the facts and make an official decision about who is right.
- arbitress — a female arbitrator
- arbitrium — the power to decide
- arboretum — An arboretum is a specially designed garden of different types of trees.
- arborists — Plural form of arborist.
- arbuthnot — John. 1667–1735, Scottish physician and satirist: author of The History of John Bull (1712) and, with others, of the Memoirs of Martinus Scriblerus (1741)
- arbutuses — Plural form of arbutus.
- arc light — Arc lights are a type of very bright electric light.
- archabbot — In certain Catholic (notably Benedictine) congregations, the title of the general superior, ranking above all other abbots, vested in a particular abbey, which hence is called an archabbey (usually its motherhouse, such as Beuron, which gave its name to a Benedictine congregation).
- archetype — An archetype is something that is considered to be a perfect or typical example of a particular kind of person or thing, because it has all their most important characteristics.
- archilute — Alternative form of archlute.
- architect — An architect is a person who designs buildings.
- archivist — An archivist is a person whose job is to collect, sort, and care for historical documents and records.
- archivolt — a moulding around an arch, sometimes decorated
- archontic — relating to an archon
- archstone — a wedge-shaped stone forming the curved part of an arch
- arcminute — unit of angular measurement, 1⁄60 of a degree
- arctogaea — a zoogeographical area comprising the Palaearctic, Nearctic, Oriental, and Ethiopian regions
- arcturian — a first-magnitude star in the constellation Boötes.
- arcuately — In an arcuate way.
- arcuation — the use of arches or vaults in buildings
- arenation — the use of hot sand as a medical poultice
- areolated — marked by areolae
- areostyle — (of columned buildings) having a wide intercolumniation equal to four or more diameters of one of the columns
- arethusas — Plural form of arethusa.
- argentate — (botany, dated, rare) silvery white.
- argentina — a republic in southern South America: colonized by the Spanish from 1516 onwards; gained independence in 1816 and became a republic in 1852; ruled by military dictatorships for much of the 20th century; civilian rule restored in 1983; consists chiefly of subtropical plains and forests (the Chaco) in the north, temperate plains (the pampas) in the central parts, the Andes in the west, and an infertile plain extending to Tierra del Fuego in the south (Patagonia); an important meat producer. Language: Spanish. Religion: Roman Catholic. Currency: peso. Capital: Buenos Aires. Pop: 42 610 981 (2013 est). Area: 2 776 653 sq km (1 072 067 sq miles)
- argentine — Argentine means the same as Argentinian.
- argentite — a dark grey mineral that consists of silver sulphide, usually in cubic crystalline forms, and occurs in veins, often with native silver. It is found esp in Mexico, Nevada, and Saxony and is an important source of silver. Formula: Ag2S
- argentous — of or containing silver in the monovalent state
- argillite — any argillaceous rock, esp a hardened mudstone
- argonauts — Classical Mythology. a member of the band of men who sailed to Colchis with Jason in the ship Argo in search of the Golden Fleece.
- argue out — If two or more people argue something out, they discuss it or thoroughly in order to reach a conclusion or decision.
- argumenta — appeals to reason
- arguments — an oral disagreement; verbal opposition; contention; altercation: a violent argument.
- arhatship — the state of having achieved enlightenment, which is the ultimate goal of Theravada Buddhists
- arhythmia — arrhythmia.
- arhythmic — Having no rhythm.
- aridities — being without moisture; extremely dry; parched: arid land; an arid climate.