sinus

si·nus

(sī′nəs)

1. A depression or cavity formed by a bending or curving.

2. Anatomy

a. A dilated channel or receptacle containing chiefly venous blood.

b. Any of various air-filled cavities in the bones of the skull, especially one communicating with the nostrils.

3. Medicine A fistula leading from a pus-filled cavity.

4. Botany A recess or indentation between two lobes or segments, as of a leaf.

[Middle English, hollow in the body, from Medieval Latin, from Latin, curve, hollow.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sinus

(ˈsaɪnəs)

n, pl -nuses

1. (Anatomy) anatomy

a. any bodily cavity or hollow space

b. a large channel for venous blood, esp between the brain and the skull

c. any of the air cavities in the cranial bones

2. (Pathology) pathol a passage leading to a cavity containing pus

3. (Botany) botany a small rounded notch between two lobes of a leaf, petal, etc

4. (Zoology) an irregularly shaped cavity

[C16: from Latin: a curve, bay]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

si•nus

(ˈsaɪ nəs)

n., pl. -nus•es.

1. a curve; bend.

2. a curving part or recess.

a. any of various cavities, recesses, or passages in the body, as a hollow in a bone or a reservoir or channel for venous blood.

b. one of the hollow cavities in the skull connecting with the nasal cavities.

c. an expanded area in a canal or tube.

4. a narrow passage leading to an abscess or the like.

5. a small, rounded depression between two projecting lobes, as of a leaf.

[1590–1600; < Latin sinus (s. sinu-) bent or curved surface, curve, fold]

si′nus•like`, adj.

si·nus

(sī′nəs)

1. A cavity or hollow space in a bone of the skull, especially one that connects with the nose.

2. A channel for the passage of a body fluid, such as blood.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sinus

A cavity or hollow, as in the skull’s air-filled nasal sinuses and in the channels draining venous blood from the brain.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	sinus - an abnormal passage leading from a suppurating cavity to the body surface fistula passageway, passage - a path or channel or duct through or along which something may pass; "the nasal passages"
	2.	sinus - any of various air-filled cavities especially in the bones of the skull ethmoid sinus, ethmoidal sinus, sinus ethmoidales - a sinus of the meatuses of the nasal cavity (behind the bridge of the nose) frontal sinus - one of a pair of cavities in the frontal bone maxillary sinus - one of a pair of sinuses forming a cavity in the maxilla nasal sinus, paranasal sinus, sinus paranasales - any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavities bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body
	3.	sinus - a wide channel containing blood; does not have the coating of an ordinary blood vessel venous sinus duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs" cavernous sinus, sinus cavernosus - either of a pair of large venous sinuses in the cranial cavity coronary sinus, sinus coronarius - a short sinus receiving most of the veins of the heart; empties into the right atrium sigmoid sinus, sinus sigmoideus - an S-shaped dural sinus on the temporal and occipital bones sinus rectus, straight sinus, tentorial sinus - an unpaired sinus of the dura mater sinus transversus, transverse sinus - a paired dural sinus; terminates in the sigmoid sinus

Translations

تـَجْوِيفجَيْب أنْفي

dutinadutinyv dutinách

bihulebihule-

Nasennebenhöhle Nebenhöhle Sinus

κοιλότητα

seno

sivuontelo

sinus

sinus

homloküreg

ennishola

seno

洞

만곡부

sinusas

sinuss

holte

bihule

zatoka

cavidade óssea seio nasal

пазуха

sinus

โพรงในกระดูกศีรษะ

sinüskemik içi boşluğu

xoang

窦鼻窦

sinus

[ˈsaɪnəs] N (sinuses (pl)) (Anat) → seno m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

sinus

[ˈsaɪnəs]

n → sinus m inv

modif [congestion, infection] → des sinus; [trouble] → de sinus

sinus

n (Anat) → Sinus m (spec); (in head) → (Nasen-)nebenhöhle f, → Stirnhöhle f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

sinus

[ˈsaɪnəs] n (Anat) → seno, cavità f inv

sinus

(ˈsainəs) noun

(usually in plural) an air-filled hollow in the bones of the skull, connected with the nose. His sinuses frequently become blocked in the winter; (also adjective) He suffers from sinus trouble.

sinus

→ تـَجْوِيف dutina bihule Nasennebenhöhle κοιλότητα seno sivuontelo sinus sinus seno 洞 만곡부 holte bihule zatoka cavidade óssea, seio nasal пазуха sinus โพรงในกระดูกศีรษะ sinüs xoang 窦

si·nus

n. L. sinus, seno, cavidad de abertura estrecha;

___ rhythm → ritmo sinusal.

sinus

n (paranasal) seno; (pilonidal); seno or sinus m; ethmoid — seno etmoidal; frontal — seno frontal; maxillary — seno maxilar; paranasal — seno paranasal; pilonidal — seno or sinus pilonidal; sphenoid — seno esfenoidal; — tract tracto sinusal