13-letter words containing u, n, r, e
- appurtenances — accessories or equipment
- archie bunker — a poorly educated blue-collar worker, holding ultraconservative, racist, and male-chauvinist opinions.
- 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
- 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
- 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
- arundinaceous — resembling a reed
- aschaffenburg — a city in Germany, on the River Main in Bavaria: seat of the Imperial Diet (1447); ceded to Bavaria in 1814. Pop: 68 607 (2003 est)
- at every turn — If you say that something happens at every turn, you are emphasizing that it happens frequently or all the time, usually so that it prevents you from achieving what you want.
- 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.
- autoresponder — A program that automatically generates a set response to all messages sent to a particular e-mail address.
- averruncation — the act of averting or turning away
- backgrounders — Plural form of backgrounder.
- bancassurance — the selling of insurance products by a bank to its customers
- band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules
- banded purple — any color having components of both red and blue, such as lavender, especially one deep in tone.
- barbarousness — The state or quality of being barbarous.
- baroque organ — a pipe organ dating from or built to the specifications of the baroque period at the time of J. S. Bach.
- barrier-nurse — to tend (infectious patients) in isolation, to prevent the spread of infection
- baryon number — the number of baryons in a system minus the number of antibaryons
- battlegrounds — Plural form of battleground.
- bbn butterfly — (computer) A supercomputer developed at BBN Technologies, named after the "butterfly" multi-stage switching network around which it was built. It could have up to 512 CPUs connected to allow every CPU access to every other CPU's memory, albeit with about 15 times the latency than for its own. The earlier GP-1000 models used up to 256 Motorola 68020s. The later TC-2000 models used up to 512 Motorola 88100s. Language developed for, or ported to, the BBN Butterfly were Butterfly Common LISP, Butterfly Scheme, Delirium, and MultiScheme.
- beehive round — an artillery shell that ejects thousands of naillike metal projectiles on exploding.
- beleaguerment — a blockade or siege
- benefit fraud — the illegal activity of claiming benefit payments which a person is not entitled to
- benito juarez — Benito (Pablo) [be-nee-taw pah-vlaw] /bɛˈni tɔ ˈpɑ vlɔ/ (Show IPA), 1806–72, president of Mexico 1857–72.
- benzoyl group — the univalent group C 7 H 5 O–, derived from benzoic acid.
- berkeley unix — Berkeley Software Distribution
- bermuda onion — a large white or yellow onion with a mild flavor, grown in Texas, California, etc.
- bernoulli box — (storage) A high capacity storage device, Iomega Corporation's first popular product, that spins a mylar disk over a read-write head using the Bernoulli principle.
- beyond number — too numerous to be counted
- binary number — a number expressed in binary notation, as 1101.101 = 1 × 23 + 1 × 22 + 0 × 21 + 1 × 20 + 1 × 2–1 + 0 × 2–2 + 1 × 2–3 = 13 5⁄8
- birectangular — having two right angles.
- blast furnace — A blast furnace is a large structure in which iron ore is heated under pressure so that it melts and the pure iron metal separates out and can be collected.
- boardinghouse — a private house in which accommodation and meals are provided for paying guests
- bonded labour — a system in which a person provides labour in order to pay off debts
- bone-crushing — powerful or constricting enough to crush one's bones: a bone-crushing handshake.