sinus

See also: Sinus and sinüs

Contents

EnglishEdit

EtymologyEdit

From Latin sinus.

PronunciationEdit

• IPA^(key): /ˈsaɪnəs/
• Rhymes: -aɪnəs

NounEdit

sinus (plural sinuses)

1. (anatomy) A pouch or cavity in any organ or tissue, especially the paranasal sinus.
2. (botany) A notch or depression between two lobes or teeth in the margin of an organ.
3. (pathology) An abnormal cavity or passage such as a fistula, caused by the destruction of tissue.
4. A bay of the sea; a recess in the shore.

Derived termsEdit

Derived terms

• ethmoid sinus
• frontal sinus
• maxillary sinus

• paranasal sinus
• sinusitis
• sphenoid sinus

TranslationsEdit

pouch or cavity in any organ or tissue

• Afrikaans: sinus, sinusse pl
• Arabic: جَيْب اَلْأُنْف‏‎ m (jayb al-ʾunf)

  Egyptian Arabic: جيوب أنفية‏‎ f pl (geyuub ʔanfeya)

• Asturian: senu (ast) m
• Catalan: si (ca) m
• Chinese:

  Mandarin: 鼻竇 (zh), 鼻窦 (zh) (bídòu)

• Esperanto: sinuso
• Finnish: ontelo (fi)
• French: sinus (fr) m
• Galician: seo (gl) m

• German: Sinus (de) m, (paranasal) Nasennebenhöhle f
• Hungarian: üreg (hu)
• Ido: sinuso (io)
• Italian: seno (it) m
• Japanese: 副鼻腔 (ふくびこう, fukubikō)
• Polish: zatoka (pl) f
• Portuguese: seio (pt) m
• Romanian: sinus (ro) n
• Russian: па́зуха (ru) f (pázuxa)
• Spanish: seno (es) m
• Volapük: sinud

abnormal cavity or passage caused by the destruction of tissue

• Finnish: avanne (fi)

• Russian: свищ (ru) m (svišč), фи́стула (ru) f (fístula)

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

Translations to be checked

• French: ^{(please verify)} sinus paranasal m
• German: ^{(please verify)} Nasennebenhöhle f

AnagramsEdit

• Sunis, nisus

---

CatalanEdit

PronunciationEdit

• (Balearic, Central, Valencian) IPA^(key): /ˈsi.nus/

NounEdit

sinus m (plural sinus)

1. sine

Derived termsEdit

• cosinus

See alsoEdit

• tangent
• cosecant
• secant
• cotangent

---

CzechEdit

NounEdit

sinus m

1. (trigonometry) sine

Related termsEdit

• kosinus m

---

DanishEdit

NounEdit

sinus c (singular definite sinussen, plural indefinite sinusser)

1. (geometry) sine

---

DutchEdit

PronunciationEdit

• Audio

  (file)

• Hyphenation: si‧nus

Etymology 1Edit

From Latin sinus.

NounEdit

sinus m (plural sinussen, diminutive sinusje n)

1. (trigonometry) sine

Etymology 2Edit

From Latin sinus.

NounEdit

sinus m (plural sinussen, diminutive sinusje n)

1. sinus

---

FrenchEdit

EtymologyEdit

Borrowed from Latin sinus. Compare the inherited doublet sein.

PronunciationEdit

• IPA^(key): /si.nys/

NounEdit

sinus m (plural sinus)

1. (anatomy) sinus
2. (trigonometry) sine

See alsoEdit

• cosécante
• cosinus
• cotangente
• sécante
• tangente

Further readingEdit

• “sinus” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

---

LatinEdit

Etymology 1Edit

Of Proto-Indo-European origin.

PronunciationEdit

• (Classical) IPA^(key): /ˈsi.nus/, [ˈsɪ.nʊs]

NounEdit

sinus m (genitive sinūs); fourth declension

1. a hollow, cavity
2. curve, fold, winding
3. gulf, bay
4. bosom
5. fold of the toga over the breast, pocket, lap
6. heart, secret feelings

InflectionEdit

Fourth declension.

Case	Singular	Plural
nominative	sinus	sinūs
genitive	sinūs	sinuum
dative	sinuī	sinibus
accusative	sinum	sinūs
ablative	sinū	sinibus
vocative	sinus	sinūs

SynonymsEdit

• (bosom): pectus

Derived termsEdit

• sinuōsē
• sinuōsus

Related termsEdit

• sinuō

DescendantsEdit

• Aromanian: sin
• Asturian: sen, senu
• English: sinus
• French: sein, sinus
• Friulian: sen
• Italian: seno

• Portuguese: seio, seno
• Romanian: sân
• Romansch: sain
• Sardinian: sinu
• Spanish: seno
• Venetian: sen, seno

Etymology 2Edit

Medieval Latin, introduced in the 12th century by Gherardo of Cremona as a translation of Arabic جَيْب‏ (jayb, “chord, sine”) (ultimately a loan from Sanskrit ज्या (jyā, “bowstring”)) by confusion with جَيْب‏ (jayb, “bosom, fold in a garment”).

PronunciationEdit

• (Classical) IPA^(key): /ˈsi.nus/, [ˈsɪ.nʊs]

NounEdit

sinus m (genitive sinūs); fourth declension

1. (mathematics) chord of an arc, sine

InflectionEdit

Fourth declension.

Case	Singular	Plural
nominative	sinus	sinūs
genitive	sinūs	sinuum
dative	sinuī	sinibus
accusative	sinum	sinūs
ablative	sinū	sinibus
vocative	sinus	sinūs

DescendantsEdit

• English: sine

Etymology 3Edit

From sinus (“a hollow, cavity”).

PronunciationEdit

• (Classical) IPA^(key): /ˈsiː.nus/, [ˈsiː.nʊs]

NounEdit

sīnus m (genitive sīnī); second declension

1. a large bowl

InflectionEdit

Second declension.

Case	Singular	Plural
nominative	sīnus	sīnī
genitive	sīnī	sīnōrum
dative	sīnō	sīnīs
accusative	sīnum	sīnōs
ablative	sīnō	sīnīs
vocative	sīne	sīnī

Alternative formsEdit

• sīnum

ReferencesEdit

• sinus 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
• du Cange, Charles (1883), “sinus”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
• “sinus” in Félix Gaffiot’s Dictionnaire Illustré Latin-Français, Hachette (1934)
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book^[1], London: Macmillan and Co.
  • the heart of the city: sinus urbis (Sall. Cat. 52. 35)
    
  • the city is situate on a bay: urbs in sinu sita est
    
  • to rejoice in secret: in sinu gaudere (Tusc. 3. 21. 51)
    
  • to love and make a bosom friend of a person: aliquem in sinu gestare (aliquis est in sinu alicuius) (Ter. Ad. 4. 5. 75)
    
  • (ambiguous) to be driven into the arms of philosophy: in sinum philosophiae compelli
    
• 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 SamiEdit

NounEdit

sinus

1. locative singular of sitnu

---

NorwegianEdit

EtymologyEdit

From Latin.

NounEdit

sinus m

1. (trigonometry) sine
2. (anatomy) sinus

InflectionEdit

    Inflection of sinus

	indefinite singular	definite singular	indefinite plural	definite plural
Bokmål m	sinus	sinusen	sinuser	sinusene
Nynorsk m	sinus	sinusen	sinusar	sinusane

Related termsEdit

• cosinus

---

PolishEdit

PronunciationEdit

• audio

  (file)

NounEdit

sinus m inan

1. sine

DeclensionEdit

declension of sinus

	singular	plural
nominative	sinus	sinusy
genitive	sinusa	sinusów
dative	sinusowi	sinusom
accusative	sinus	sinusy
instrumental	sinusem	sinusami
locative	sinusie	sinusach
vocative	sinusie	sinusy

Derived termsEdit

• sinusowy, sinusoida

---

RomanianEdit

EtymologyEdit

From French sinus

NounEdit

sinus n (plural sinusuri)

1. sine (trigonometric function)

---

VepsEdit

PronounEdit

sinus

1. inessive of sinä