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1. separated by an equal distance at every point; never touching or intersecting
2. Music
a. (of two or more parts or melodies) moving in similar motion but keeping the same interval apart throughout
b. denoting successive chords in which the individual notes move in parallel motion
3. Computing operating on several items of information, instructions, etc., simultaneously
4. Maths one of a set of parallel lines, planes, etc.
5. any of the imaginary lines around the earth parallel to the equator, designated by degrees of latitude ranging from 0° at the equator to 90° at the poles
a. a configuration of two or more electrical components connected between two points in a circuit so that the same voltage is applied to each (esp in the phrase in parallel)
b. (as modifier): a parallel circuit
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005


Always the same distance apart; thus two parallel lines never meet.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved


(religion, spiritualism, and occult)

The orbits of most of the planets in the solar system lie in approximately the same geometric plane, which is why an astrological chart using only a two-dimensional representation rather than one with three dimensions is drawn. There is, nevertheless, a variation in the tilt or angle of these orbits, so at any given time most of the planets are either north or south of the celestial equator (the plane described by projecting Earth’s equator against the background of the stars). This variation is measured in degrees of declination. Two planets are parallel when they are on the same side of the celestial equator and have the same degree of declination. Planets with the same declination are said to have a relationship similar to a conjunction.

The Astrology Book, Second Edition © 2003 Visible Ink Press®. All rights reserved.


(computer science)
Simultaneous transmission of, storage of, or logical operations on the parts of a word, character, or other subdivision of a word in a computer, using separate facilities for the various parts.
Connected to the same pair of terminals. Also known as multiple; shunt.
A circle on the surface of the earth, parallel to the plane of the equator and connecting all points of equal latitude. Also known as circle of longitude; parallel of latitude.
Lines are parallel in a Euclidean space if they lie in a common plane and do not intersect.
Planes are parallel in a Euclidean three-dimensional space if they do not intersect.
A circle parallel to the primary great circle of a sphere or spheroid.
A curve is parallel to a given curve C if it consists of points that are a fixed distance from C along lines perpendicular to C.
Of two or more displacements or other vectors, having the same direction.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


The line joining all points that are at the same latitude (i.e., parallel to the equator). See latitude. See also parallel of latitude.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

parallel computing

Solving a problem with multiple computers or computers made up of multiple processors. Parallel computing is an umbrella term for a variety of architectures, including symmetric multiprocessing (SMP), clusters of SMP systems, massively parallel processors (MPPs) and grid computing. See SMP, MPP, clustering, pipeline processing, vector processor, hypercube and grid computing.

Parallels Desktop

(Parallels Desktop for Mac) Virtual machine software from Parallels, Inc., Renton, WA ( that allows Windows, Linux and other operating systems to run in an Intel-based Mac. In 2006, Mac computers began shipping with Intel x86 CPU chips, enabling Windows to run natively in the machine. Parallels also supports OpenGL 3D, the graphics language used in many high-end games. See virtual machine.

Windows on the Mac Desktop
In the Mac, Windows can run full screen or in a window on the desktop. However, Parallels' "Coherence" is the smoothest mode of operation. Windows applications run in individual windows intermixed on the desktop with Mac applications. When minimized, Windows apps appear in the Mac Dock along with the Mac apps. The Windows Start menu can be set to autohide, leaving no trace of the Windows OS on the Mac desktop.

Import a Windows Machine - Switch to Mac
Parallels Desktop comes with a migration utility that can move the entire contents of a Windows PC to a Parallels virtual machine in the Mac. It can also convert virtual machines from VMware and Microsoft to a Parallels virtual machine.

The Switch to Mac Edition of Parallels includes a USB transfer cable that connects the Windows and Mac machines together for the migration. See Boot Camp, Virtual PC, VMware Fusion and Parallels Workstation.

Seamless Integration
In Coherence mode, Mac applications and Windows applications exist side-by-side on the Mac desktop, providing seamless integration of the two environments.
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References in periodicals archive ?
Paralell arrangement of the welded materials was used in experiment.
Conversly, the potential to repel those same investors must be treated with equal brevity and as the region once again embarks on a paralell programme of promotion, this must be a very real concern.
(32) The image is also used, as a quotation, by Marke Ridley, A Short Treatise of Magneticall Bodies and Motions (London, 1613), "I trust that these following times will discouer whether they [planetary axes] be paralell one to the other, or no, as also what naturall motions else they haue, because that Astra natant, auis instar in aere, aut piscis in unda" (sg.
The Cuna Boscosa (Forest Wedge) of Santa Fe is the southernmost portion of the Eastern Chaco and runs from 28[grados]S to 30[grados]S paralell, between the River Parana and the Submeridional Lowlands, covering more than 1,000,000 hectares (Lewis y Pire 1981).
my |home' would have been incomplete without its token life-force so Adam and Eve struck a pose along with the rest of the gadgetry."(17) Throughout the catalogue this kind of paralell is favored, by the critics contributing to it as well as by Hamilton himself.