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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
lo·cus    Audio Help   [loh-kuhs] Pronunciation Key
–noun, plural -ci    Audio Help   [-sahy, -kee, -kahy] Pronunciation Key, -ca    Audio Help   [-kuh] Pronunciation Key.
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; < L; OL stlocus a place]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Encyclopædia Britannica, Inc.
Locus

To learn more about Locus visit Britannica.com

© 2008 Encyclopædia Britannica, Inc.
American Heritage Dictionary - Cite This Source - Share This
lo·cus    Audio Help   (lō'kəs)  Pronunciation Key 
n.   pl. lo·ci (-sī', -kē, -kī')
  1. A locality; a place.
  2. A center or focus of great activity or intense concentration: "the cunning exploitation of loci of power; the insulation from normal American society" (Clifton Fadiman).
  3. Mathematics The set or configuration of all points whose coordinates satisfy a single equation or one or more algebraic conditions.
  4. The position that a given gene occupies on a chromosome.


[Latin.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
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, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
locus

noun
1. the scene of any event or action (especially the place of a meeting) [syn: venue] 
2. the specific site of a particular gene on its chromosome 
3. the set of all points or lines that satisfy or are determined by specific conditions; "the locus of points equidistant from a given point is a circle" 

WordNet® 3.0, © 2006 by Princeton University.
The American Heritage Science Dictionary - Cite This Source - Share This
locus    Audio Help   (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 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
locus

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.


[Chapter:] Physical Sciences and Mathematics


The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

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.
Merriam-Webster's Medical Dictionary - Cite This Source - Share This
Main Entry: lo·cus
Pronunciation: 'lO-k&s
Function: noun
Inflected Form: plural lo·ci /'lO-"sI, -"kI also -"kE/
1 : a place or site of an event, activity, or thing locus of all axon terminals relates to the retinal locus of their cells of origin —R. W.Guillery et al>
2 : the position in a chromosome of a particular gene or allele

Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Merriam-Webster's Dictionary of Law - Cite This Source - Share This
Main Entry: lo·cus
Pronunciation: 'lO-k&s
Function: noun
: the place connected with a particular event having legal significance

Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
Free On-line Dictionary of Computing - Cite This Source - Share This

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

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Locus

Couch\ (kouch), v. t. [imp. & p. p. Couched (koucht); p. pr. & vb. n. Couching.] [F. coucher to lay down, lie down, OF. colchier, fr. L. collocare to lay, put, place; col- + locare to place, fr. locus place. See Locus.]

1. To lay upon a bed or other resting place.

Where unbruised youth, with unstuffed brain, Does couch his limbs, there golden sleep doth reign. --Shak.

2. To arrange or dispose as in a bed; -- sometimes followed by the reflexive pronoun.

The waters couch themselves as may be to the center of this globe, in a spherical convexity. --T. Burnet.

3. To lay or deposit in a bed or layer; to bed.

It is at this day in use at Gaza, to couch potsherds, or vessels of earth, in their walls. --Bacon.

4. (Paper Making) To transfer (as sheets of partly dried pulp) from the wire cloth mold to a felt blanket, for further drying.

5. To conceal; to include or involve darkly.

There is all this, and more, that lies naturally couched under this allegory. --L'Estrange.

6. To arrange; to place; to inlay. [Obs.] --Chaucer.

7. To put into some form of language; to express; to phrase; -- used with in and under.

A well-couched invective. --Milton.

I had received a letter from Flora couched in rather cool terms. --Blackw. Mag.

8. (Med.) To treat by pushing down or displacing the opaque lens with a needle; as, to couch a cataract.

To couch a spear or lance, to lower to the position of attack; to place in rest.

He stooped his head, and couched his spear, And spurred his steed to full career. --Sir W. Scott.

To couch malt, to spread malt on a floor. --Mortimer.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
On-line Medical Dictionary - Cite This Source - Share This

locus

locus: in CancerWEB's On-line Medical Dictionary

On-line Medical Dictionary, © 1997-98 Academic Medical Publishing & CancerWEB
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