Look up locus in Wiktionary, the free dictionary.

Locus (plural loci) is Latin for "place". It may refer to:

Mathematics and science

• 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 (archaeology), the smallest definable unit in stratigraphy
• Locus (genetics), the position of a gene or other significant sequence on a chromosome

Humanities and social science

• Locus (rhetoric), another name for a literary or rhetorical topos, a method of constructing an argument
• Locus of control, the degree to which people have control over events
• Method of loci, a mnemonic system that uses the spatial memory of a familiar place to enhance recollection

Computing

• LOCUS (operating system), a distributed OS developed at UCLA, notable for single-system image idea
• Locus Computing Corporation (1982–1995), commercialized the LOCUS distributed operating system developed at UCLA
• Locus Map, an Android navigation app using maps of various providers in online and offline mode
• Wang LOCI (Logarithmic Computing Instrument), an early scientific calculator by Wang

Entertainment

• Locus (comics), a Marvel Comics mutant villainess, a member of the Mutant Liberation Front
• Locus (magazine), science fiction and fantasy magazine
  • Locus Award, presented to the winners of Locus magazine's annual readers' poll
• Locus (video game), a 1995 video game by Zombie Studios
• Locus (Chicago Underground Duo album), 2014
• Locus (Satyr album), 2020

Other

• HTT Pléthore (Locus Plethore), a Canadian supercar proposed by HTT Automobile in Quebec, Canada
• UCLouvain Faculty of Architecture, Architectural Engineering and Urban Planning (LOCI) of the University of Louvain in Belgium

See also

• Locust – Grasshopper that has a swarming phase
• Loki – Trickster in Norse mythology