Locus

The word locus (plural loci) is Latin for "place". It can mean:

Positions

• Locus of control, in industrial psychology, having an internal or external locus of control
• Locus (genetics), the position of a gene (or other significant sequence) on a chromosome
• Locus (mathematics), the set of points satisfying a particular condition, often forming a curve
• Root locus, a diagram visualizing the position of roots as a parameter changes
• Locus (medicine), the "place" on the body where a pathogen enters
• Locus Technologies, an environmental software company

Philosophy, rhetoric, and literary theory

• The method of loci is a mnemonic system based on places.
• A Locus (rhetoric) is another name for a literary or rhetorical topos, a method of constructing an argument.
• Loci Theologici was a term applied by Melanchthon to Evangelical systems of dogmatics.

Music

• Loci (band), an alt-rock band from Bristol, United Kingdom

Acronyms

• LOCUS (Level of Care Utilization System), a clinical level of care placement tool for psychiatric and addictions services, developed by the American Association of Community Psychiatrists
• The NBC-USA Network police procedural drama, Law & Order: Criminal Intent (2001–2011) often uses the acronym 'LOCI' because of its long title.

Periodicals

• Locus (magazine), a monthly trade journal devoted to the science fiction and fantasy publishing industry that contains news, sales trends, author biographies, convention coverage, book reviews, and comprehensive lists of upcoming publications and reprints
  • Locus Award, presented to the winners of Locus magazine's annual readers' poll

Other

• Locus Computing Corporation developed the LOCUS clustering operating system, as well as the Merge 8086 virtual machine implementation
• LOCUS (operating system) computer operating system
• Locus (comics), a Marvel Comics Mutant and supervillain
• Locus Plethore, a Canadian supercar
• Locus Technologies, an environmental software company

Distinguish from

• locust
• Loki