13-letter words containing i, n, u
- 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
- authentically — not false or copied; genuine; real: an authentic antique.
- authenticated — Prove or show (something, esp. a claim or an artistic work) to be true or genuine.
- authenticates — Third-person singular simple present indicative form of authenticate.
- 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.
- autodigestion — (biology) The digestion of tissue by enzymes produced by the organism itself.
- autoinfection — infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
- automatonlike — Like an automaton; robotic.
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autonomically — autonomous.
- autooxidation — autoxidation.
- averruncation — the act of averting or turning away
- aviation fuel — fuel used to power airplanes
- back mutation — the reversion of a mutant to the original phenotype
- backgrounding — Present participle of background.
- backing group — a group of musicians providing an instrumental or vocal accompaniment for a pop singer
- badminton cup — a long refreshing drink of claret with soda water and sugar
- bank discount — interest on a loan deducted from the principal amount when the loan is made and based on the loan's face value
- bank of issue — a bank, as a Federal Reserve Bank, empowered by a government to issue currency.
- banking hours — the hours during which a bank is open for business
- banking house — a more formal term for a bank
- barosinusitis — aerosinusitis.
- barrier-nurse — to tend (infectious patients) in isolation, to prevent the spread of infection
- be upstanding — (in a court of law) a direction to all persons present to rise to their feet before the judge enters or leaves the court
- beautifulness — having beauty; possessing qualities that give great pleasure or satisfaction to see, hear, think about, etc.; delighting the senses or mind: a beautiful dress; a beautiful speech.
- beef bouillon — a broth made either by straining water in which bits of lean beef have been cooked or by dissolving beef extract in hot water.
- beehive round — an artillery shell that ejects thousands of naillike metal projectiles on exploding.
- benefit fraud — the illegal activity of claiming benefit payments which a person is not entitled to
- bengal quince — bael.
- benito juarez — Benito (Pablo) [be-nee-taw pah-vlaw] /bɛˈni tɔ ˈpɑ vlɔ/ (Show IPA), 1806–72, president of Mexico 1857–72.
- benjamin-bush — Also called spice-wood. a yellow-flowered, North American shrub, Lindera benzoin, of the laurel family, whose bark and leaves have a spicy odor.
- 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.
- beta function — a function of two variables, usually expressed as an improper integral and equal to the quotient of the product of the values of the gamma function at each variable divided by the value of the gamma function at the sum of the variables.
- beta globulin — a blood plasma protein that is separable from other globulins by electrophoresis.
- bidenticulate — having two small teeth or toothlike processes.
- bignoniaceous — of, relating to, or belonging to the Bignoniaceae, a chiefly tropical family of trees, shrubs, and lianas, including jacaranda, bignonia, and catalpa
- bildungsroman — a novel concerned with a person's formative years and development
- 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
- binary pulsar — a pulsar in a binary system.
- bioequivalent — the condition in which different formulations of the same drug or chemical are equally absorbed when taken into the body.
- bird dismount — Hecht1 (def 1).
- birectangular — having two right angles.