locus

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English[edit]

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Wikipedia

Etymology[edit]

From Latin locus.

Pronunciation[edit]

Noun[edit]

locus ‎(plural loci)

  1. A place or locality, especially a centre of activity or the scene of a crime.
    The cafeteria was the locus of activity.
  2. (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.
  3. (genetics) A fixed position on a chromosome that may be occupied by one or more genes.

Usage notes[edit]

  • sometimes confused with locust

Related terms[edit]

Translations[edit]


Latin[edit]

Etymology[edit]

From Old Latin stlocus, from Proto-Indo-European *stel- ‎(to put, place, locate).

Pronunciation[edit]

Noun[edit]

locus m ‎(genitive locī); second declension

  1. place, spot (a specific location)
  2. a passage of literature
  3. in the plural with neuter gender: a region or general geographic area

Declension[edit]

Second declension.

Case Singular Plural
nominative locus locī
loca
genitive locī locōrum
dative locō locīs
accusative locum locōs
loca
ablative locō locīs
vocative loce locī
loca

The inflection is irregular. For senses one and two, the declension follows the regular masculine pattern. For sense three, the plural forms become neuter in gender and form.

Derived terms[edit]

Descendants[edit]


Spanish[edit]

Etymology[edit]

Borrowed from Latin locus.

Noun[edit]

locus m ‎(plural loci)

  1. (genetics) locus