18-letter words containing a, p, u, r, e
- a piece of crumpet — a sexually desirable woman
- acupuncture needle — a very fine needle with a rounded tip, used in acupuncture
- adjustable spanner — a tool with adjustable jaws used for turning bolts, etc
- african tulip tree — a tropical African evergreen tree, Spathodea campaulata, with pinnate leaves, split pods, winged seeds, and large red flowers.
- almoner's cupboard — a cupboard with pierced doors, formerly used as a storage place for food.
- ammonium purpurate — murexide.
- 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.
- apartment building — An apartment building or apartment house is a tall building which contains different apartments on different floors.
- aperture synthesis — an array of radio telescopes used in radio astronomy to simulate a single large-aperture telescope. Some such instruments use movable dishes while others use fixed dishes
- apparent magnitude — magnitude (sense 3)
- apprentice plumber — a trainee plumber
- aspherical surface — a lens or mirror surface that does not form part of a sphere and is used to reduce aberrations
- ast computers, llc — (company) The private company formed in January 1999 when Mr. Beny Alagem, the former chairman of Packard Bell NEC, Inc., bought the name and intellectual property of AST Research, Inc.. AST Computers, LLC provide hardware, software, and services for small US businesses. Address: Los Angeles, CA, USA.
- 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.
- athletic supporter — jockstrap
- auditory phonetics — the branch of phonetics concerned with the perception of speech sounds by humans
- australopithecines — Plural form of australopithecine.
- authorized capital — the total amount of value of the shares that a company is allowed to distribute
- automatic exposure — the automatic adjustment of the lens aperture and shutter speed of a camera by a control mechanism
- avoirdupois weight — a British and American system of weights based on a pound of 16 ounces
- barbershop quartet — a group of four singers who perform a style of music sung in four-part harmony
- behaviour patterns — the characteristic ways in which a person or animal acts
- brand-name product — A brand-name product is one which is made by a well-known manufacturer and has the manufacturer's label on it.
- calcium propionate — a white, water-soluble powder, CaC 6 H 10 O 4 , used in bakery products to inhibit the growth of fungi.
- campaign furniture — furniture, as chests or desks, having metal hinges on the corners and handles on the sides.
- caterpillar hunter — any of various carabid beetles of the genus Calosoma, of Europe and North America, which prey on the larvae of moths and butterflies
- cellular telephone — a mobile phone
- colour temperature — the temperature of a black-body radiator at which it would emit radiation of the same chromaticity as the light under consideration
- complexity measure — (algorithm) A quantity describing the complexity of a computation.
- computer animation — animated film or video that is generated by computers
- computer-generated — produced by a computer program
- conceptual realism — the doctrine that universals have real and independent existence.
- conjugated protein — a biochemical compound consisting of a sequence of amino acids making up a simple protein to which another nonprotein group (a prosthetic group), such as a carbohydrate or lipid group, is attached
- connected subgraph — (mathematics) A connected graph consisting of a subset of the nodes and edges of some other graph.
- constituency party — a branch of a political party operating within a constituency
- construction paper — Construction paper is a type of stiff, colored paper that children use for drawing and for making things.
- cornucopian thesis — the belief that, as long as science and technology continue to advance, growth can continue for ever because these new advances create new resources
- corpuscular theory — the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles
- costume department — the department in a theatre or television company that is responsible for actors' costumes
- counter-adaptation — the act of adapting.
- counterprogramming — the practice of scheduling a program opposite another program, esp. a popular one, that appeals to a different kind of audience, as in placing a romantic film directed at women opposite a sports program mainly watched by men
- countertherapeutic — Working against a therapy.
- creeping featurism — (jargon) /kree'ping fee'chr-izm/ (Or "feature creep") A systematic tendency to load more chrome and features onto systems at the expense of whatever elegance they may have possessed when originally designed. "The main problem with BSD Unix has always been creeping featurism." More generally, creeping featurism is the tendency for anything to become more complicated because people keep saying "Gee, it would be even better if it had this feature too". The result is usually a patchwork because it grew one ad-hoc step at a time, rather than being planned. Planning is a lot of work, but it's easy to add just one extra little feature to help someone, and then another, and another, .... When creeping featurism gets out of hand, it's like a cancer. Usually this term is used to describe computer programs, but it could also be said of the federal government, the IRS 1040 form, and new cars. A similar phenomenon sometimes afflicts conscious redesigns; see second-system effect. See also creeping elegance.
- cumberland plateau — division of the W Appalachians, extending from S W.Va. to N Ala.
- curvature of space — (in relativity) a property of space near massive bodies in which their gravitational field causes light to travel along curved paths.
- delmarva peninsula — a peninsula of the northeast US, between Chesapeake Bay and the Atlantic
- departure platform — a raised area at a railway station from which passengers can board trains prior to their departing
- descriptive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
- devil's paintbrush — a perennial European hawkweed (Hieracium aurantiacum) with leafless flower stalks bearing a cluster of orange-red heads: now a common weed in N U.S. and Canada
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