15-letter words containing x, r, a
- abstract syntax — (language, data) A form of representation of data that is independent of machine-oriented structures and encodings and also of the physical representation of the data. Abstract syntax is used to give a high-level description of programs being compiled or messages passing over a communications link. A compiler's internal representation of a program will typically be an abstract syntax tree. The abstract syntax specifies the tree's structure is specified in terms of categories such as "statement", "expression" and "identifier". This is independent of the source syntax (concrete syntax) of the language being compiled (though it will often be very similar). A parse tree is similar to an abstract syntax tree but it will typically also contain features such as parentheses which are syntactically significant but which are implicit in the structure of the abstract syntax tree.
- accrued expense — an expense incurred but not yet paid, as accrued interest on notes payable.
- achilles reflex — ankle jerk.
- acute bisectrix — See under bisectrix (def 1).
- aix-en-provence — a city and spa in SE France: the medieval capital of Provence. Pop: 145 721 (2006)
- alexandrine rat — roof rat.
- alexandroupolis — a port in NE Greece, in W Thrace. Pop: 52 720 (2001 est)
- an axe to grind — an ulterior motive
- annual parallax — the apparent displacement of an observed object due to a change in the position of the observer.
- approximateness — The quality of being approximate.
- auxiliary rotor — the tail rotor of a helicopter, used for directional and rotary control
- bar examination — a written examination to determine if one is qualified to practice law in a particular jurisdiction.
- barium peroxide — a gray-white powder, BaO2, used as a bleach and in making hydrogen peroxide
- bayeux tapestry — an 11th- or 12th-century embroidery in Bayeux, nearly 70.5 m (231 ft) long by 50 cm (20 inches) high, depicting the Norman conquest of England
- brachial plexus — a network of nerves in the armpits and neck, innervating the shoulders, arms, and hands.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- bug fix release — (programming) A release which introduces no new features, but which merely aims to fix bugs in previous releases. All too commonly new bugs are introduced at the same time.
- carbon fixation — the process by which plants assimilate carbon from carbon dioxide in the atmosphere to form metabolically active compounds
- carbon monoxide — Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.
- carboxylic acid — any of a class of organic acids containing the carboxyl group
- carl xvi gustaf — born 1946, king of Sweden from 1973
- centrifugal box — a revolving chamber, used in the spinning of manufactured filaments, in which the plastic fibers, subjected to centrifugal force, are slightly twisted and emerge in the form of yarn wound into the shape of a hollow cylinder.
- cephalothoraxes — Plural form of cephalothorax.
- cerebral cortex — the outermost layer of the cerebrum that is the locus of higher brain processes
- cervical plexus — a network of nerves branching from the spinal nerves of the neck region and innervating the neck, chest, diaphragm, and part of the face.
- chromoxylograph — a coloured print created from printing with wooden blocks
- concrete syntax — (language, data) The syntax of a language including all the features visible in the source code such as parentheses and delimiters. The concrete syntax is used when parsing the program or other input, during which it is usually converted into some kind of abstract syntax tree (conforming to an abstract syntax). In communications, concrete syntax is called transfer syntax.
- corporation tax — Corporation tax is a tax that companies have to pay on the profits they make.
- countercathexis — (psychology) The suppression or repression of mental energy.
- counterexamples — Plural form of counterexample.
- coxsackie virus — any of various viruses that occur in the intestinal tract of man and cause diseases, some of which resemble poliomyelitis
- dead letter box — a place where messages and other material can be left and collected secretly without the sender and the recipient meeting
- decarboxylation — the removal or loss of a carboxyl group from an organic compound
- dexfenfluramine — an adrenergic drug, a form of fenfluramine, formerly used in treating obesity but withdrawn from the market in 1997 because of its potential to cause valvular heart disease.
- dextrosinistral — left-handed, but having the right hand trained for writing.
- diagonal matrix — a square matrix in which all the entries except those along the diagonal from upper left to lower right are zero.
- dionysius thrax — c100 b.c, Greek grammarian.
- direct taxation — Direct taxation is a system in which a government raises money by means of direct taxes.
- dixiecrat party — States' Rights Democratic Party.
- early saxifrage — an eastern North American plant, Saxifraga virginiensis, of the saxifrage family, having toothed basal leaves and branched clusters of small white flowers.
- electra complex — the sexual attachment of a female child to her father
- electra paradox — the supposed paradox that one may know something to be true of an object under one description but not another, as when Electra knew that Orestes was her brother but not that the man before her was her brother although he was Orestes. This shows the predicate "knows" to be intensional, that Electra's knowledge here is de dicto, and that the statement of it yields an opaque context
- ex-servicewoman — a woman who has served in the army, navy, or air force
- exaggeratedness — the quality of being exaggerated
- examining board — an organization that sets and corrects exams
- exchange server — Microsoft Exchange
- excommunicatory — Relating to excommunication.
- excursion train — a train that is laid on for a special occasion such as a sports or cultural event
- executive board — administrative committee
- expanded memory — (storage) Memory used through EMS. In systems based on Intel 80386 or later processor expanded memory is part of the extended memory that is mapped into the expanded memory page frame by the processor. The mapping is controlled by the EMM. In earlier systems, a dedicated EMS hardware adaptor is needed to map memory into the page frame. In both cases, an appropriate device driver is needed for the proper communication between hardware and EMM.
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