locus

American  

[loh-kuhs] / ˈloʊ kəs /

noun

loci, plural loca plural

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.

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locus British  

/ ˈləʊkəs /

noun

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

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locus Scientific  

/ lō′kəs /

loci plural

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.

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locus Cultural  

1. 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.

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Etymology

Origin of locus

First recorded in 1525–35; from Latin; Old Latin stlocus “a place”

Explanation

The center or source of something is known as the locus. A shopping mall is usually a locus for teenagers. In addition to being a hub or hotspot, locus has specific meanings when used in math or science. In math, a locus is when a set of points all meet at a designated location: a circle is the locus of points equal in length from one given point. In genetics, the locus is the location of a certain gene on a chromosome. A locus is where things are happening. Washington, D.C. is the locus for politics in the U.S.

Example Sentences

Locus coeruleus highlighted in blue; region of precuneus highlighted in green.

From Salon • Aug. 7, 2024

Beisel is a co-founder and scientific adviser of Locus Biosciences, a biotech company that's currently testing a CRISPR-enhanced phage therapy in a midstage, roughly 800-person trial.

From Scientific American • Oct. 13, 2023

Privately held Locus Mining and Aether Bio are also studying ways to use biosurfactants and nanotechnology, respectively.

From Reuters • Aug. 2, 2023

In this edition, enjoy tunes by Greta Matassa and award-winning wines provided by Locus Wines.

From Seattle Times • Sep. 22, 2022

I afterwards saw, at Dryburgh Abbey, the burying place of this predestinated and tenacious family, the inscription of which showed the value they set upon their antiquity: Locus Sepultura, Antiquessima Familia De Haga De Bemerside.

From Abbotsford and Newstead Abbey by Irving, Washington