sinus

== English == === Etymology === Learned borrowing from Latin sinus (“a bent surface, curve, hollow”). Doublet of sine. === Pronunciation === IPA(key): /ˈsaɪ.nəs/ Rhymes: -aɪnəs === Noun === sinus (plural sinuses) (anatomy, zootomy) A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus). Hyponyms: ethmoid sinus, frontal sinus, maxillary sinus, paranasal sinus, piriform sinus, Rokitansky-Aschoff sinus, sphenoid sinus (anatomy) An irregular venous or lymphatic cavity, reservoir, or dilated vessel. Hyponyms: carotid sinus, cavernous sinus, coronary sinus, lateral sinus, petrosal sinus, sagittal sinus, sigmoid sinus, straight sinus, transverse sinus, venous sinus (physiology, attributive) Relating to or denoting the sinoatrial node of the heart or its function of regulating the heartbeat. (pathology) An abnormal cavity or passage such as a fistula, leading from a deep-seated infection and discharging pus to the surface. (botany) A rounded notch or depression between two lobes or teeth in the margin of a leaf or petal. (geography) A bay of the sea; a recess in the shore. (trigonometry) Synonym of sine. ==== Derived terms ==== ==== Translations ==== === References === “sinus”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “sinus”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. === Anagrams === Sunis, nisus == Albanian == === Etymology === Learned borrowing from Latin sinus. Doublet of gji. === Noun === sinus m (trigonometry) sine === Further reading === “sinus”, in FGJSH: Fjalor i gjuhës shqipe [Dictionary of the Albanian language] (in Albanian), 2006 FGJSSH: Fjalor i gjuhës së sotme shqipe [Dictionary of the modern Albanian language]‎[1], 1980 == Catalan == === Etymology === Learned borrowing from Latin sinus. === Pronunciation === IPA(key): (Northern, Balearic, Central, Valencia, Northwestern) [ˈsi.nus] === Noun === sinus m (invariable) sine ==== Derived terms ==== cosinus === See also === tangent cosecant secant cotangent === Further reading === “sinus”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007 == Czech == === Etymology === Learned borrowing from Latin sinus. === Pronunciation === IPA(key): [ˈsɪnus] Hyphenation: si‧nus === Noun === sinus m inan (trigonometry) sine Synonym: lůnice (anatomy) sinus Synonym: dutina ==== Declension ==== ==== Related terms ==== === Further reading === “sinus”, in Příruční slovník jazyka českého (in Czech), 1935–1957 “sinus”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989 “sinus”, in Akademický slovník cizích slov at prirucka.ujc.cas.cz [Academic dictionary of foreign words] (in Czech), 1995 == Danish == === Etymology === Learned borrowing from Latin sinus. === Noun === sinus c (singular definite sinussen, plural indefinite sinusser) (trigonometry) sine == Dutch == === Etymology === Learned borrowing from Latin sinus. === Pronunciation === IPA(key): /ˈsi.nʏs/ Hyphenation: si‧nus Rhymes: -inʏs === Noun === sinus m (plural sinussen, diminutive sinusje n) (trigonometry) sine sinus ==== Descendants ==== Afrikaans: sinus, sinusse → Indonesian: sinus → Malay: sinus → Papiamentu: sinùs == French == === Etymology === Learned borrowing from Latin sinus. Doublet of sein. === Pronunciation === IPA(key): /si.nys/ === Noun === sinus m (invariable) (anatomy) sinus (trigonometry) sine Coordinate terms: cosinus, tangente, cotangente, sécante, cosécante ==== Derived terms ==== sinusite ==== Descendants ==== → Khmer: ស៊ីនុស (siinuh) → Persian: سینوس (sinus) → Romanian: sinus → Turkish: sinüs === Further reading === “sinus”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012 == Indonesian == === Etymology === Borrowed from Dutch sinus, from Latin sinus. === Pronunciation === IPA(key): [ˈsinʊs] Rhymes: -nʊs, -ʊs, -s Hyphenation: si‧nus === Noun === sinus (plural sinus-sinus) sinus: (anatomy) a pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus) (pathology) an abnormal cavity or passage such as a fistula, leading from a deep-seated infection and discharging pus to the surface (trigonometry) sine: in a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse ==== Derived terms ==== === Further reading === “sinus”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016 == Latin == === Etymology 1 === Inherited from Proto-Italic *sinus, from Proto-Indo-European *sinos. Akin to Albanian gji (“breast, bosom”). The mathematical sense “chord of an arc, sine” was introduced in the 12th century by Gherardo of Cremona as a semantic loan from Arabic جِيبَ (jība, “chord, sine”) (ultimately a loan from Sanskrit ज्या (jyā, “bowstring”)) by confusion with جَيْب (jayb, “bosom, fold in a garment”). ==== Pronunciation ==== (Classical Latin) IPA(key): [ˈsɪ.nʊs] (modern Italianate Ecclesiastical) IPA(key): [ˈsiː.nus] ==== Noun ==== sinus m (genitive sinūs); fourth declension (chiefly poetic) a bent surface; a curve, fold, hollow (literal) the hanging fold of a toga over the breast; a pocket, lap Synonym: gremium (transferred sense) a purse, money (which was carried in the bosom of the toga) (poetic) a garment the bosom, breast Synonym: pectus (figurative) the bosom for love, protection, asylum the interior, inmost part of a thing a power, possession of someone a hiding place, place of concealment; a secret feeling a gulf, bay, bight the land lying on or a point of land that helps to form a gulf a basin, hollow, valley (Medieval Latin) a fjord (Medieval Latin, mathematics) the chord of an arc; a sine ===== Inflection ===== Fourth-declension noun. ===== Derived terms ===== sinuō (verb) sinuōsus (adjective) ===== Descendants ===== === Etymology 2 === From Proto-Indo-European *sh₁ih₂sno-, deverbative of *seh₁y- (“to sift, strain”) (compare Ancient Greek ἠθέω (ēthéō), Lithuanian sijóti, Serbo-Croatian sȉjati). ==== Alternative forms ==== sīnum ==== Pronunciation ==== (Classical Latin) IPA(key): [ˈsiː.nʊs] (modern Italianate Ecclesiastical) IPA(key): [ˈsiː.nus] ==== Noun ==== sīnus m (genitive sīnī); second declension (pre-classical) alternative form of sīnum (“large round drinking vessel”) ===== Inflection ===== Second-declension noun. === References === === Further reading === “sinus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “sinum”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “sinus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers "sinus", 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) “sinus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette. Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎[2], London: Macmillan and Co. “sinus”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers “sinus”, in William Smith, editor (1854, 1857), A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly == Northern Sami == === Pronunciation === === Noun === sinus locative singular of sitnu == Norwegian Bokmål == === Etymology === Learned borrowing from Latin sinus. === Noun === sinus m (definite singular sinusen, indefinite plural sinuser, definite plural sinusene) (trigonometry) sine (anatomy) sinus ==== Related terms ==== cosinus === References === “sinus” in The Bokmål Dictionary. == Norwegian Nynorsk == === Etymology === Learned borrowing from Latin sinus. === Noun === sinus m (definite singular sinusen, indefinite plural sinusar, definite plural sinusane) (trigonometry) sine (anatomy) sinus ==== Related terms ==== cosinus === References === “sinus” in The Nynorsk Dictionary. == Polish == === Etymology === Learned borrowing from New Latin sinus. === Pronunciation === IPA(key): /ˈsi.nus/ Rhymes: -inus Syllabification: si‧nus === Noun === sinus m inan (related adjective sinusowy) (trigonometry) sine, sinus (in a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse) Hypernym: funkcja trygonometryczna Coordinate terms: cosecans, cosinus, cotangens, secans, tangens ==== Declension ==== ==== Related terms ==== === Further reading === “sinus”, in Wielki słownik języka polskiego‎[3] (in Polish), Instytut Języka Polskiego PAN “sinus”, in Polish dictionaries at PWN‎[4] (in Polish) == Romanian == === Etymology === Borrowed from French sinus, from Latin sinus. === Noun === sinus n (plural sinusuri) sine (trigonometric function) == Swedish == === Etymology === Learned borrowing from Latin sinus. === Noun === sinus c (trigonometry) sine (anatomy) sinus ==== Declension ==== No inflected forms. sinus is used for the definite singular. === Further reading === “sinus”, in Svenska Akademiens ordlista [Wordlist of the Swedish Academy] (in Swedish) “sinus”, in Svensk ordbok [Dictionary of Swedish] (in Swedish) “sinus”, in Svenska Akademiens ordbok [Dictionary of the Swedish Academy] (in Swedish) == Veps == === Pronoun === sinus inessive of sinä