13-letter words containing u, t, r, n
- antiritualism — opposed to ritualism
- antiscorbutic — preventing or curing scurvy
- antisubmarine — (of weapons, missiles, etc) designed to combat or destroy submarines
- antisudorific — an antiperspirant.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- appropinquate — to approach
- appropinquity — nearness
- appurtenances — accessories or equipment
- 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.
- arteriovenous — of, relating to, or affecting an artery and a vein
- articulations — Plural form of articulation.
- astronautical — of or relating to astronautics or astronauts.
- 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.
- attributional — of or relating to the act of attributing
- auctioneering — Present participle of auctioneer.
- australianism — the Australian national character or spirit
- 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.
- authorisation — Alternative spelling of authorization.
- authoritarian — If you describe a person or an organization as authoritarian, you are critical of them controlling everything rather than letting people decide things for themselves.
- authorization — an authorizing or being authorized
- 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.
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- averruncation — the act of averting or turning away
- banbury tarts — small baked pastries filled with raisins, currants, etc.
- 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
- bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
- barosinusitis — aerosinusitis.
- 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.
- 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.
- bird dismount — Hecht1 (def 1).
- birectangular — having two right angles.
- black country — a district in the English Midlands, around Birmingham: so called from the soot and grime produced by the many local industries.
- black currant — the small, round, blackish, edible fruit of a widely cultivated shrub, Ribes nigrum, of the saxifrage family.
- 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.
- bounty hunter — A bounty hunter is someone who tries to find or kill someone in order to get the reward that has been offered.
- bounty jumper — in the U.S. Civil War, a man who accepted the cash bounty offered for enlisting and then deserted
- bouquet garni — A bouquet garni is a bunch of herbs that are tied together and used in cooking to add flavour to the food.