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Definition of "locus" []

  • A locality; a place. (noun)
  • A center or focus of great activity or intense concentration: "the cunning exploitation of loci of power; the insulation from normal American society” ( Clifton Fadiman). (noun)
  • Mathematics The set or configuration of all points whose coordinates satisfy a single equation or one or more algebraic conditions. (noun)
  • The position that a given gene occupies on a chromosome. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "locus" in a sentence
  • "We can argue about whether the White House or the Hill was the main locus of the madness, but it was truly mad."
  • "The locus is a coalition of forty church congregations who battled the city of New York for vacant land in order to build owner-occupied row houses."
  • "Kucherlapati, R.S. Insertion of DNA sequences into the human chromosomal beta-globin locus by homologous recombination."