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locus

 [loh-kuhs]   Origin

lo·cus

   [loh-kuhs]
noun, plural -ci  [-sahy, -kee, -kahy] , -ca  [-kuh] .
1.
a place; locality.
2.
a center or source, as of activities or power: locus of control.
3.
Mathematics. the set of all points, lines, or surfaces that satisfy a given requirement.
4.
Genetics. the chromosomal position of a gene as determined by its linear order relative to the other genes on that chromosome.
Origin:
1525–35; < Latin; OL stlocus a place
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Locus is always a great word to know.
So is graph. Does it mean:
a series of points as in forming a curve or surface, each of which represents a value of a given function, a network of lines connecting points
the smallest number that is a common multiple of a given set of numbers
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Collins
World English Dictionary
locus (ˈləʊkəs)
 
—n , pl loci
1.  (in many legal phrases) a place or area, esp the place where something occurred
2.  maths a set of points whose location satisfies or is determined by one or more specified conditions: the locus of points equidistant from a given point is a circle
3.  genetics the position of a particular gene on a chromosome
 
[C18: Latin]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

locus
(pl. loci), 1715, "locality," from L. locus "place," from O.Latin stlocus, lit. "where something is placed," from PIE base *st(h)el- "to cause to stand, to place." Used by L. writers for Gk. topos.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

locus lo·cus (lō'kəs)
n. pl. lo·ci (-sī', -kē, -kī')

  1. A place; site.

  2. The position that a given gene occupies on a chromosome.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
locus   (lō'kəs)  Pronunciation Key 
Plural loci (lō'sī', -kē, -kī')

  1. The set or configuration of all points whose coordinates satisfy a single equation or one or more algebraic conditions.

  2. The position that a given gene occupies on a chromosome.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

locus definition


plur. loci (loh-seye, loh-keye)

In geometry, the set of all points (and only those points) that satisfy certain conditions; these points form a curve or figure. For example, the locus of all points in space one foot from a given point is a sphere having a radius of one foot and having its center at the given point. The locus of all points in a plane one foot from a given point is a circle having a radius of one foot and having its center at the given point.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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FOLDOC
Computing Dictionary

Locus definition


A distributed system project supporting transparent access to data through a network-wide file system.

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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