different between sinus vs septum

English

Etymology

Borrowed from Latin sinus. Doublet of sine.

Pronunciation

• IPA^(key): /?sa?n?s/
• Rhymes: -a?n?s

Noun

sinus (plural sinuses)

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

Derived terms

Related terms

Translations

Anagrams

• Sunis, nisus

Catalan

Etymology

From Latin sinus.

Pronunciation

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

Noun

sinus m (plural sinus)

1. sine

Derived terms

• cosinus

See also

• tangent
• cosecant
• secant
• cotangent

Further reading

• “sinus” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.

Czech

Etymology

From Latin sinus.

Pronunciation

• IPA^(key): [?s?nus]
• Hyphenation: si?nus

Noun

sinus m inan

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

Declension

Related terms

• kosinus

Further reading

• sinus in P?íru?ní slovník jazyka ?eského, 1935–1957
• sinus in Slovník spisovného jazyka ?eského, 1960–1971, 1989
• sinus in Akademický slovník cizích slov, 1995, at prirucka.ujc.cas.cz

Danish

Noun

sinus c (singular definite sinussen, plural indefinite sinusser)

1. (geometry) sine

Dutch

Pronunciation

• Hyphenation: si?nus

Etymology 1

From Latin sinus.

Noun

sinus m (plural sinussen, diminutive sinusje n)

1. (trigonometry) sine

Descendants

• ? Indonesian: sinus

Etymology 2

From Latin sinus.

Noun

sinus m (plural sinussen, diminutive sinusje n)

1. sinus

Descendants

• ? Indonesian: sinus

French

Etymology

Unadapted borrowing from Latin sinus. Compare the inherited doublet sein.

Pronunciation

• IPA^(key): /si.nys/

Noun

sinus m (plural sinus)

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

See also

• cosécante
• cosinus
• cotangente
• sécante
• tangente

Further reading

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

Indonesian

Etymology

From Dutch sinus, from Latin sinus, from Proto-Indo-European *sinos

Pronunciation

• IPA^(key): [?sin?s]
• Hyphenation: si?nus

Noun

sinus (first-person possessive sinusku, second-person possessive sinusmu, third-person possessive sinusnya)

1. sinus.
2. (trigonometry) sine.

Further reading

• “sinus” in Kamus Besar Bahasa Indonesia (KBBI) Daring, Jakarta: Badan Pengembangan dan Pembinaan Bahasa, Kementerian Pendidikan dan Kebudayaan Republik Indonesia, 2016.

Latin

Etymology 1

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 ?????? (jayb, “chord, sine”) (ultimately a loan from Sanskrit ???? (jy?, “bowstring”)) by confusion with ?????? (jayb, “bosom, fold in a garment”).

Pronunciation

• (Classical) IPA^(key): /?si.nus/, [?s??n?s?]
• (Ecclesiastical) IPA^(key): /?si.nus/, [?si?nus]

Noun

sinus m (genitive sin?s); fourth declension

1. a hollow, cavity
2. curve, fold, winding
3. gulf, bay
4. (by extension) cove
5. bosom
6. fold of the toga over the breast, pocket, lap
7. heart, secret feelings
8. (Medieval Latin, mathematics) chord of an arc, sine
9. (Medieval Latin) fjord

Declension

Fourth-declension noun.

Synonyms

• (bosom): pectus

Derived terms

• sinu?s?
• sinu?sus

Related terms

• sinu?

Descendants

Etymology 2

From Proto-Indo-European *sh?ih?sno-, deverbative of *seh?y- ‘to sift, strain’ (compare Ancient Greek ???? (?thé?), Lithuanian sijóti, Serbo-Croatian s?jati).

Alternative forms

• s?num

Pronunciation

• (Classical) IPA^(key): /?si?.nus/, [?s?i?n?s?]
• (Ecclesiastical) IPA^(key): /?si.nus/, [?si?nus]

Noun

s?nus m (genitive s?n?); second declension

1. a large bowl

Declension

Second-declension noun.

References

• 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
• sinus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• sinus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book?^[1], 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

1. locative singular of sitnu

Norwegian Bokmål

Etymology

From Latin sinus.

Noun

sinus m (definite singular sinusen, indefinite plural sinuser, definite plural sinusene)

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

Related terms

• cosinus

References

• “sinus” in The Bokmål Dictionary.

Norwegian Nynorsk

Etymology

From Latin sinus.

Noun

sinus m (definite singular sinusen, indefinite plural sinusar, definite plural sinusane)

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

Related terms

• cosinus

References

• “sinus” in The Nynorsk Dictionary.

Polish

Pronunciation

• IPA^(key): /?si.nus/

Noun

sinus m inan

1. sine

Declension

Derived terms

• sinusowy, sinusoida

Romanian

Etymology

From French sinus

Noun

sinus n (plural sinusuri)

1. sine (trigonometric function)

Veps

Pronoun

sinus

1. inessive of sinä

English

Alternative forms

• saeptum, sæptum (obsolete)

Etymology

Borrowed from Latin s?ptum (“enclosure, wall, fence”).

Pronunciation

• IPA^(key): /?s?p.t?m/
• Rhymes: -?pt?m

Noun

septum (plural septa)

1. (biology) A wall separating two cavities; a partition.

   Synonym: dissepiment

   1. (anatomy) Ellipsis of nasal septum: the cartilaginous center wall of the nose separating the two nostrils.
   2. (anatomy) Either of the two walls that separate the atria or ventricles of the heart into left and right chambers.
   3. (botany) A partition that separates the cells of a fruit.
   4. (mycology) A partition that separates the cells of a (septated) fungus.
   5. (zoology) One of the radial calcareous plates of a coral.
   6. (zoology) One of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers.
   7. (zoology) One of the transverse partitions dividing the body cavity of an annelid.
2. (colloquial) Ellipsis of septum ring or septum piercing.

Hyponyms

• nasal septum
• interventricular septum
• septum pellucidum

Derived terms

Translations

References

• “septum”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
• “septum”, in Merriam–Webster Online Dictionary, (Please provide a date or year).

Anagrams

• spetum

Latin

Pronunciation

• (Classical) IPA^(key): /?se?p.tum/, [?s?e?pt????]
• (Ecclesiastical) IPA^(key): /?sep.tum/, [?s?pt?um]

Noun

s?ptum n (genitive s?pt?); second declension

1. Alternative form of saeptum.

Descendants

? English: septum