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18-letter words containing a, r, o, n, i

  • analogue recording — a sound recording process in which an audio input is converted into an analogous electrical waveform
  • andorre la vieille — French name for the capital of Andorra, situated in the west of the principality. Pop: 22 035 (2003 est)
  • angiocardiographic — Relating to angiocardiography.
  • angular dispersion — a measure of the angular separation of light rays of different wavelength or color traversing a prism or diffraction grating, equal to the rate of change of the angle of deviation with respect to the change in wavelength.
  • anterior pituitary — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
  • anthropocentricity — the state or quality of being anthropocentric.
  • anthropomorphising — Present participle of anthropomorphise.
  • anthropomorphizing — Present participle of anthropomorphize.
  • anti-authoritarian — favoring complete obedience or subjection to authority as opposed to individual freedom: authoritarian principles; authoritarian attitudes.
  • anti-commercialism — the principles, practices, and spirit of commerce.
  • anti-masonic party — a former political party (1826–35) that opposed Freemasonry in civil affairs.
  • anti-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
  • anticholinesterase — any of a group of substances that inhibit the action of cholinesterase
  • anticipated profit — the profit that one expects to make from a deal, transaction, or project
  • antidiscrimination — (legal) Opposing or disallowing discrimination.
  • antiferromagnetism — the phenomenon exhibited by substances that resemble paramagnetic substances in the value of their relative permeability but that behave like ferromagnetic substances when their temperature is varied
  • antifriction alloy — a metallic alloy, as Babbitt metal or bearing bronze, having antifriction qualities.
  • antiprostaglandins — Plural form of antiprostaglandin.
  • antiscorbutic acid — vitamin C
  • antisegregationist — opposed to the segregation of different races in any human activity
  • antivirus software — (tool)   Programs to detect and remove computer viruses. The simplest kind scans executable files and boot blocks for a list of known viruses. Others are constantly active, attempting to detect the actions of general classes of viruses. antivirus software should always include a regular update service allowing it to keep up with the latest viruses as they are released.
  • aorangi-mount cook — the official name for Mount Cook
  • application server — 1. A designer's or developer's suite of software that helps programmers isolate the business logic in their programs from the platform-related code. Application servers can handle all of the application logic and connectivity found in client-server applications. Many application servers also offer features such as transaction management, clustering and failover, and load balancing; nearly all offer ODBC support. 2. Production programs run on a mid-sized computer that handle all application operations between browser-based computers and an organisation's back-end business applications or databases. The application server works as a translator, allowing, for example, a customer with a browser to search an online retailer's database for pricing information. 3. The device on which application server software runs. Application Service Providers offer commercial access to such devices.
  • appropriation bill — a bill to set apart money for a specific purpose
  • arbitration clause — a clause in a contract laying down that disputes between the parties should be settled by arbitration
  • aristotelian logic — the logical theories of Aristotle as developed in the Middle Ages, concerned mainly with syllogistic reasoning: traditional as opposed to modern or symbolic logic
  • aristotles-lantern — a complex arrangement of muscles and calcareous teeth and plates forming an eversible organ in most echinoids, functioning in mastication.
  • arkansas toothpick — a bowie knife or similar sharp knifelike implement.
  • armed intervention — an official response to a situation which involves the armed forces
  • army of occupation — an army that goes into a defeated country to enforce peace terms, keep order, etc.
  • artificial horizon — an aircraft instrument, using a gyroscope, that indicates the aircraft's attitude in relation to the horizontal
  • assignment problem — (mathematics, algorithm)   (Or "linear assignment") Any problem involving minimising the sum of C(a, b) over a set P of pairs (a, b) where a is an element of some set A and b is an element of set B, and C is some function, under constraints such as "each element of A must appear exactly once in P" or similarly for B, or both. For example, the a's could be workers and the b's projects. The problem is "linear" because the "cost function" C() depends only on the particular pairing (a, b) and is independent of all other pairings.
  • association cortex — any of the regions of the cerebral cortex of the brain connected by numerous nerve fibers to all parts of both cerebral hemispheres and coordinating such higher activities as learning and reasoning.
  • assortative mating — the reproductive pairing of individuals that have more traits in common than would likely be the case if mating were random (contrasted with disassortative mating).
  • assumption of risk — Assumption of risk is the practice of paying for minor losses yourself, but protecting against catastrophic losses by buying insurance cover.
  • astrometric binary — a binary star that can be recognized as such because of its undulating proper motion.
  • astronomical clock — a complex clock showing astronomical phenomena, such as the phases of the moon
  • asynchronous logic — (architecture)   A data-driven circuit design technique where, instead of the components sharing a common clock and exchanging data on clock edges, data is passed on as soon as it is available. This removes the need to distribute a common clock signal throughout the circuit with acceptable clock skew. It also helps to reduce power dissipation in CMOS circuits because gates only switch when they are doing useful work rather than on every clock edge. There are many kinds of asynchronous logic. Data signals may use either "dual rail encoding" or "data bundling". Each dual rail encoded Boolean is implemented as two wires. This allows the value and the timing information to be communicated for each data bit. Bundled data has one wire for each data bit and another for timing. Level sensitive circuits typically represent a logic one by a high voltage and a logic zero by a low voltage whereas transition signalling uses a change in the signal level to convey information. A speed independent design is tolerant to variations in gate speeds but not to propagation delays in wires; a delay insensitive circuit is tolerant to variations in wire delays as well. The purest form of circuit is delay-insensitive and uses dual-rail encoding with transition signalling. A transition on one wire indicates the arrival of a zero, a transition on the other the arrival of a one. The levels on the wires are of no significance. Such an approach enables the design of fully delay-insensitive circuits and automatic layout as the delays introduced by the layout compiler can't affect the functionality (only the performance). Level sensitive designs can use simpler, stateless logic gates but require a "return to zero" phase in each transition.
  • at your fingertips — If you say that something is at your fingertips, you approve of the fact that you can reach it easily or that it is easily available to you.
  • at/from a distance — If you are at a distance from something, or if you see it or remember it from a distance, you are a long way away from it in space or time.
  • atmospheric engine — an early form of single-acting engine in which the power stroke is provided by atmospheric pressure acting upon a piston in an exhausted cylinder.
  • atmospheric window — wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
  • attendance officer — someone whose job is to keep records of students' attendance at school and to encourage students to attend
  • attention-grabbing — An attention-grabbing remark or activity is one that is intended to make people notice it.
  • attribution theory — the theory that tries to explain how people link actions and emotions to particular causes, both internal and external
  • audio conferencing — the practice of conducting meetings by the use of audio telecommunications
  • auditory phonetics — the branch of phonetics concerned with the perception of speech sounds by humans
  • australian doubles — an unusual formation in doubles in which the server's partner is positioned on the same side of the court as the server.
  • australopithecines — Plural form of australopithecine.
  • authorized version — the revised English translation of the Bible published in England in 1611 with the authorization of King James I
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