locus
UK /ˈləʊkəs/ · US /ˈloʊkəs/ noun
Forms loci locuses
- noun A place or locality, especially a centre of activity or the scene of a crime. “The cafeteria was the locus of activity.”
- noun (mathematics) The set of all points whose coordinates satisfy a given equation or condition. “A circle is the locus of points from which the distance to the center is a given value, the radius.”
- noun (genetics) A fixed position on a string of DNA or RNA, especially a chromosome, that may be occupied by one or more genes.
- noun (chiefly in the plural) A passage in writing, especially in a collection of ancient sacred writings arranged according to a theme.
Synonyms
Etymology
Learned borrowing from Latin locus. Doublet of lieu.
Webster’s 1913
- noun A place; a locality.
- noun The line traced by a point which varies its position according to some determinate law; the surface described by a point or line that moves according to a given law. Plane locus, a locus that is a straight line, or a circle.
Etymology [L., place. Cf. Allow, Couch, Lieu, Local.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “locus”, CC BY-SA 4.0. Details