locus

== English == === Etymology === Learned borrowing from Latin locus. Doublet of lieu. === Pronunciation === (Received Pronunciation) IPA(key): /ˈləʊkəs/ (General American) IPA(key): /ˈloʊkəs/ Rhymes: -əʊkəs === Noun === locus (plural loci or locuses) A place or locality, especially a centre of activity or the scene of a crime. (mathematics) The set of all points whose coordinates satisfy a given equation or condition. (genetics) A fixed position on a string of DNA or RNA, especially a chromosome, that may be occupied by one or more genes. Holonyms: subband < band < region < replicon Meronyms: sublocus; gene, cistron; pseudogene (chiefly in the plural) A passage in writing, especially in a collection of ancient sacred writings arranged according to a theme. ==== Usage notes ==== Sometimes confused with locust. ==== Derived terms ==== ==== Related terms ==== ==== Translations ==== === References === === Anagrams === ULOCs, clous == Italian == === Etymology === Internationalism. Ultimately an unadapted borrowing from Latin locus (“place, spot”). Doublet of luogo. === Pronunciation === IPA(key): /ˈlɔ.kus/ Rhymes: -ɔkus Hyphenation: lò‧cus === Noun === locus m (plural loci) (genetics) locus == Latin == === Etymology === Inherited from Old Latin stlocus, possibly from Proto-Italic *stlokos, from Proto-Indo-European *stel- (“to put, place, locate”). However, De Vaan is skeptical of this derivation due to the suffix *-okos not being attested in any other word, and leaves the origin open. === Pronunciation === (Classical Latin) IPA(key): [ˈɫɔ.kʊs] (modern Italianate Ecclesiastical) IPA(key): [ˈlɔː.kus] === Noun === locus m (genitive locī); second declension (masculine): place (referring to a specific location) aliquem in alicuius locum substituere ― to put someone in place of another a passage of literature opportunity; cause; occasion; grounds (masculine in the singular; neuter in the plural): a region or general geographic area ==== Declension ==== Second-declension noun. The locative is attested in Plautus; however, it was restricted to sense 1.1 (“place”, referring to a specific location), and was not in common use by the Classical period. ==== Derived terms ==== ==== Descendants ==== === References === === Further reading === “locus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “locus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers "locus", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887) “locus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette. Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎[1], London: Macmillan and Co. Dizionario Latino, Olivetti == Spanish == === Etymology === Learned borrowing from Latin locus. Doublet of luego. === Pronunciation === IPA(key): /ˈlokus/ [ˈlo.kus] Rhymes: -okus Syllabification: lo‧cus === Noun === locus m (plural loci) (genetics) locus === Further reading === “locus”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025