18-letter words containing r, i, o
- alkali metaprotein — a metaprotein derived by means of a hydrolytic alkali.
- alpha-hydroxy acid — a type of organic acid, commonly used in skin-care preparations, that has a hydroxyl group attached to the carbon atom next to the carbon atom carrying the carboxyl group
- alphaphotographics — A display made up of text characters combined with high-resolution photographic images (proposed as a future form of videotex).
- alternative comedy — a style of comedy originating in the UK in the 1980s that seeks to avoid racist or sexist stereotypes, and usually puts forward left-wing, anti-establishment views
- alternative school — any public or private school having a special curriculum, especially an elementary or secondary school offering a more flexible program of study than a traditional school.
- aluminum hydroxide — a white powder, Al(OH)3, obtained from bauxite and used to make glass, paper, etc. and in antacids
- amdahl corporation — (company) A US computer manufacturer. Amdahl is a major supplier of large mainframes, UNIX and Open Systems software and servers, data storage subsystems, data communications products, applications development software, and a variety of educational and consulting services. Amdahl products are sold in more than 30 countries for use in both open systems and IBM plug-compatible mainframe computing environments. Quarterly sales $397M, profits $13M (Aug 1994). In 1997 Amdahl became a division of Fujitsu.
- american brooklime — any of various speedwells found along brooks, in marshes, etc., as Veronica americana (American brooklime) a creeping plant having leafy stems and loose clusters of small blue flowers.
- american chameleon — anole: lizards of this type (family Iguanidae) are incorrectly called “chameleons”
- american cockroach — a large, reddish-brown cockroach, Periplaneta americana, found originally in the southern U.S. but now widely distributed.
- ammonium carbamate — a white soluble crystalline compound produced by reaction between dry ammonia and carbon dioxide and used as a nitrogen fertilizer. Formula: (NH4)CO2NH2
- ammonium carbonate — an unstable pungent soluble white powder that is a double salt of ammonium bicarbonate and ammonium carbamate: used in the manufacture of baking powder, smelling salts, and ammonium compounds. Formula: (NH4)HCO3.(NH4)CO2NH2
- ammonium hydroxide — a compound existing only in aqueous solution, formed when ammonia dissolves in water to form ammonium ions and hydroxide ions. Formula: NH4OH
- ammonium purpurate — murexide.
- an overgrown child — an adult whose behaviour is characteristic of a child
- 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
- aphrodite of melos — a Greek statue of Venus in marble, c200 b.c., found in 1820 on Melos and now in the Louvre, Paris.
- 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
- arachibutyrophobia — Fear of peanut butter sticking to the roof of one's mouth.
- arbitration clause — a clause in a contract laying down that disputes between the parties should be settled by arbitration
- arctic archipelago — group of mostly large islands in the Arctic Ocean off the N coast of Canada
- 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
- as far as possible — to the greatest possible extent