Definition of locus in English:


Translate locus into Spanish

nounplural noun loci/ˈlōˌsī/ /ˈloʊˌsaɪ/ /ˈlōˌsē/ /ˈloʊˌsi/ /ˈlōˌkē/ /ˈloʊˌki/ /ˈlōˌkī/ /ˈloʊˌkaɪ/

  • 1 technical A particular position, point, or place.

    ‘it is impossible to specify the exact locus in the brain of these neural events’
    • ‘It all revolved around the idea that the body is a locus of memory, and it brought that idea into so many dimensions.’
    • ‘He is too quick to conclude that the Web, as a locus for and medium of art, is a failure.’
    • ‘It seems to understand that the locus of failure isn't external and partial.’
    • ‘Next, the material is coded into discrete images and each of the images is inserted in the appropriate order into the various loci.’
    • ‘The locus of these thick or thin spots can be mapped by radar back to the site of origin.’
    emergency, emergency situation, urgent situation, crisis, potential crisis
    1. 1.1The effective or perceived location of something abstract.
      ‘the real locus of power is the informal council’
      • ‘Although the Roman government was intact, the real locus of power in ancient Rome was the family.’
      • ‘For a peaceful world that promotes international democracy, the locus of power and influence needs shifting.’
      • ‘Second, as a social institution the church quickly became a contending locus of power in the Roman Empire.’
      • ‘They will be more gravely weakened if pension funds, an enduring locus of labor power, are privatized.’
      • ‘The unfettered, pluralistic nature of the Internet is also changing the locus of power of the news media.’
      location, place, position, situation, locality, whereabouts, locale, spot, scene, setting
    2. 1.2Genetics The position of a gene or mutation on a chromosome.
      ‘Genes at a locus that differ by mutations are known as alleles or haplotypes.’
      • ‘The very large pine genomes are highly repetitive, and microsatellite loci also occur as gene families.’
      • ‘The data included results of genomic typing at polymorphic loci at or near genes of the autoimmune inflammatory response.’
      • ‘These data indicated that the cloned genes represented the genomic loci that were altered in the original rye strains.’
      • ‘Individual alleles of three loci demonstrating high gene diversity were cloned and sequenced.’
      vicinity, surrounding area, area, neighbourhood, district, region, environs, zone, locale, territory
  • 2Mathematics
    A curve or other figure formed by all the points satisfying a particular equation of the relation between coordinates, or by a point, line, or surface moving according to mathematically defined conditions.

    ‘a parabola is the locus of a point that moves so as to be equidistant from a fixed point and a straight line’
    • ‘The curve can be considered as the locus of a point P defined as follows.’
    • ‘The catenary is the locus of the focus of a parabola rolling along a straight line.’
    • ‘Where lines were not common to multiple loci, lines are labeled only to species.’
    • ‘Then the locus of centers of all circles passing through A and orthogonal to C is a straight line.’
    • ‘Preliminary mapping of the remaining suppressors demonstrates that they define several distinct loci.’
    surrounding district, surrounding area, neighbourhood, locality, locale, local area, area, district, region, quarter, sector, territory, domain, place, zone



/ˈlōkəs/ /ˈloʊkəs/


Mid 17th century from Latin, ‘place’.