cavity

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n., pl. -ties.

1. A hollow; a hole.
2. A hollow area within the body: a sinus cavity.
3. A pitted area in a tooth caused by caries.

[French cavité, from Late Latin cavitās, from Latin cavus, hollow.]

noun

A space in an otherwise solid mass: hole, hollow, pocket, vacuity, void. See convex/concave.

n

A carious lesion or hole in a tooth.

1. a hollow or space, or a potentional space, within the body (e.g. abdominal cavity) or one of its organs (e.g. cranial cavity).
2. in teeth, the lesion produced by dental caries.

• absorption c's — cavities in developing compact bone due to osteoclastic erosion, usually occurring in the areas laid down first.
• amniotic c. — the closed sac between the embryo and the amnion, containing the amniotic fluid.
• cranial c. — the space enclosed by the bones of the cranium.
• dental c. — 1. the central space, often branched or multiple in compound teeth, of each tooth; carries the nerve and blood supplies to the teeth.
— 2. the defect caused by decay on a tooth surface. Called also caries.
• glenoid c. — a depression in the ventral angle of the scapula for articulation with the humerus.
• infraglottic c. — the space in the larynx caudal to the vocal folds; reflects the shape of the cricoid cartilage.
• medullary (marrow) c. — the cavity, containing marrow, in the diaphysis of a long bone; called also medullary canal.
• nasal c. — the proximal part of the respiratory tract, within the nose, bisected by the nasal septum and extending from the nares to the pharynx. Much of the cavity is occupied by the turbinate bones or conchae which also divide it into dorsal, medial and ventral meatuses. The common meatus is the narrow, vertical passage close to the nasal septum. The rostral end of the cavity just inside the nostril is the nasal vestibule, and the caudal part opening into the pharynx is the nasopharyngeal meatus.
• oral c. — the cavity of the mouth, made up of a vestibule and oral cavity proper.
• pelvic c. — the space within the walls of the pelvis.
• pericardial c. — the potential space between the epicardium and the parietal layer of the serous pericardium.
• peritoneal c. — the potential space between the parietal and the visceral peritoneum.
• pleural c. — the potential space between the parietal and the visceral pleura.
• pulp c. — the pulp-filled central chamber in a tooth; called also dental cavity.
• serous c. — a celomic cavity, like that enclosed by the pericardium, peritoneum or pleura, not communicating with the outside of the body and lined with a serous membrane, i.e. one which secretes a serous fluid.
• tension c. — cavities of the lung in which the air pressure is greater than that of the atmosphere.
• thoracic c. — the body cavity situated between the neck and the diaphragm.
• tympanic c. — the cavity of the middle ear.
• uterine c. — the space within the uterus communicating on either side with the uterine tubes and caudally with the vagina.

IN BRIEF: A hollow space or hole.

The dental patient has a cavity in one of the molars.

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Dansk (Danish)
n. - hulrum, kavitet, støbehul

idioms:

• cavity wall    hulmur

Nederlands (Dutch)
holte, gaatje (tand)

Français (French)
n. - (Dent, Méd) cavité

idioms:

• cavity wall    mur creux

Deutsch (German)
n. - Höhle, Hohlraum, Loch

idioms:

• cavity wall    Hohlmauer

Ελληνική (Greek)
n. - κοιλότητα, κοίλωμα, κούφωμα, γούβα

idioms:

• cavity wall    (οικοδ.) διπλότοιχος

Italiano (Italian)
cavità

idioms:

• cavity wall    muro a intercapedine

Português (Portuguese)
n. - cavidade (f), cárie (f) (Odont.)

idioms:

• cavity wall    parede (f) dupla com cavidade interna

Русский (Russian)
полость, дупло

idioms:

• cavity wall    пустотелая стена

Español (Spanish)
n. - cavidad, caries

idioms:

• cavity wall    pared o muro con cámara de aire

Svenska (Swedish)
n. - hålighet, kavitet (tandl.)

中文（简体）(Chinese (Simplified))
洞, 腔, 空穴

idioms:

• cavity wall    空心墙

中文（繁體）(Chinese (Traditional))
n. - 洞, 腔, 空穴

idioms:

• cavity wall    空心牆

한국어 (Korean)
n. - 구멍, 신체의 강

日本語 (Japanese)
n. - 穴, 空洞, 虫歯の穴, 腔, 窪み

idioms:

• cavity wall    中空壁

العربيه (Arabic)
‏(الاسم) فجوة, تجويف‏

עברית (Hebrew)
n. - ‮חלל, חור, חריר, מחילה‬

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