13-letter words containing a, i, n, e, r
- arachnephobia — Misspelling of arachnophobia.
- arbitrariness — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- archaeologian — (archaic) An archaeologist.
- archie bunker — a poorly educated blue-collar worker, holding ultraconservative, racist, and male-chauvinist opinions.
- archimandrite — the head of a monastery or a group of monasteries
- architectonic — denoting, relating to, or having architectural qualities
- arcus senilis — an opaque circle around the cornea of the eye, often seen in elderly people
- argentiferous — containing or bearing silver
- argentine ant — a small brown ant, Iridomyrmex humilis, introduced into the southern U.S. from South America: a household and fruit pest.
- 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.
- arias sanchez — Oscar. born 1940, Costa Rican statesman; president (1986–90, 2006–2010); Nobel peace prize 1987
- aridity index — a number indicating how much more precipitation could be lost by evapotranspiration if it were available than is actually lost at a given location.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arithmetician — a person skilled in arithmetic
- arm wrestling — a contest in which two people sit facing each other each with one elbow resting on a table, clasp hands, and each tries to force the other's arm flat onto the table while keeping his own elbow touching the table
- armamentarium — the items that comprise the material and equipment used by a physician in his professional practice
- armstand dive — a dive starting from a handstand at the end of a springboard or a platform with the diver's back to the water.
- arretine ware — a red-glazed terracotta pottery produced in Tuscany from 100 b.c. to a.d. 100 and widely traded.
- 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
- arterializing — Present participle of arterialize.
- arteriovenous — of, relating to, or affecting an artery and a vein
- artesian well — well sunk through impermeable strata receiving water from an area at a higher altitude than that of the well
- arundinaceous — resembling a reed
- ascertainable — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- ascertainably — In a way that can be ascertained.
- ascertainment — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- assertiveness — confidently aggressive or self-assured; positive: aggressive; dogmatic: He is too assertive as a salesman.
- assigned risk — a risk that, under state law, is assigned to an insurer from a pool of insurers who would not otherwise accept it.
- astereognosis — inability to recognize objects by touch
- aten asteroid — one of a small group of asteroids whose orbits cross that of the earth and whose semimajor axes are smaller than that of the earth.
- athenagoras i — (Aristocles Spyrou) 1886–1972, Archbishop Ecumenical of Constantinople and Ecumenical Patriarch of the Greek Orthodox Church 1948–72.
- atherogenesis — (medicine) The formation of atheromas, especially on the walls of the arteries.
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element
- atrociousness — The state of being atrocious.
- attitudinizer — One who attitudinizes, or practises poses.
- auctioneering — Present participle of auctioneer.
- audience room — a room for holding formal interviews or hearings.
- australianize — (esp of a new immigrant) to adopt or cause to adopt Australian habits and attitudes; integrate into Australian society
- austrian pine — an evergreen tree, Pina nigra austriaca
- authenticator — a person or thing that authenticates.
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- averruncation — the act of averting or turning away
- awe-inspiring — If you describe someone or something as awe-inspiring, you are emphasizing that you think that they are remarkable and amazing, although sometimes rather frightening.
- azerbaijanian — a native or inhabitant of Azerbaijan.
- back-breaking — Back-breaking work involves a lot of hard physical effort.
- backing store — a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed
- bacteriogenic — Caused by bacteria.