locus

[loh-kuhs]

noun

plural

loci, loca 

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.

locus

/ 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

locus

plural

loci 

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.

locus

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.

Word History and Origins

Origin of locus¹

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

Word History and Origins

Origin of locus¹

C18: Latin

Example Sentences

Their central role in artificial intelligence, military equipment and other areas with national-security and economic significance has made them the locus of tensions between the world’s two superpowers.

Read more on The Wall Street Journal

Over the past five years, Fiji – a tiny South Pacific nation with a population of less than a million – has become the locus of one of the world's fastest growing HIV epidemics.

Read more on BBC

Los Angeles has become a center of immigration enforcement activity and also a locus of resistance to it — from Mayor Karen Bass to activists in the streets.

Read more on Los Angeles Times

But there is the possibility that it becomes the locus of broader disaffection with the government's direction.

Read more on BBC

In the coming days, KI became a locus of support, both practically and emotionally.

Read more on Los Angeles Times