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cavity    音标拼音: [k'ævəti]
n. 洞,空穴,腔

洞,空穴,腔

cavity
空腔

cavity
n 1: a sizeable hole (usually in the ground); "they dug a pit to
bury the body" [synonym: {pit}, {cavity}]
2: space that is surrounded by something [synonym: {cavity},
{enclosed space}]
3: soft decayed area in a tooth; progressive decay can lead to
the death of a tooth [synonym: {cavity}, {caries}, {dental
caries}, {tooth decay}]
4: (anatomy) a natural hollow or sinus within the body [synonym:
{cavity}, {bodily cavity}, {cavum}]

Cavity \Cav"i*ty\, n.; pl. {Cavities}. [L. cavus hollow: cf. F.
cavit['e].]
1. Hollowness. [Obs.]
[1913 Webster]

The cavity or hollowness of the place. --Goodwin.
[1913 Webster]

2. A hollow place; a hollow; as, the abdominal cavity.
[1913 Webster]

An instrument with a small cavity, like a small
spoon. --Arbuthnot.
[1913 Webster]

Abnormal spaces or excavations are frequently formed
in the lungs, which are designated cavities or
vomic[ae]. --Quain.
[1913 Webster]

{Body cavity}, the c[oe]lum. See under {Body}.
[1913 Webster]

142 Moby Thesaurus words for "cavity":
abysm, abyss, alveolation, alveolus, antrum, aperture, armpit,
arroyo, basin, booth, bowl, box, box canyon, breach, break,
broaching, canyon, cell, cellule, chamber, chap, chasm, check,
chimney, chink, clearing, cleft, cleuch, clough, col, compartment,
concave, concavity, coulee, couloir, crack, cranny, crater,
crevasse, crevice, crib, crypt, cup, cut, cwm, deep, defile, dell,
depression, depth, dike, dip, disclosure, ditch, donga, draw,
enclosed space, excavation, fault, fenestra, fissure, fistula,
flaw, flume, fold, follicle, fontanel, foramen, fracture,
funnel chest, furrow, gap, gape, gash, gat, gorge, groove, gulch,
gulf, gully, hiatus, hold, hole, hollow, hollow shell, incision,
inlet, interval, joint, kloof, lacuna, laying open, leak, manger,
moat, notch, nullah, opening, opening up, orifice, outlet, pass,
passage, passageway, pew, pit, pocket, pore, punch bowl, ravine,
rent, rift, rime, rupture, scissure, scoop, seam, shaft, shell,
sink, sinus, slit, slot, socket, space, split, stall, stoma,
throwing open, trench, trough, uncorking, unstopping, vacuity,
valley, vault, void, vug, wadi, well, yawn, yawning abyss


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  • Cavities (Tooth Decay): Symptoms, Causes Treatment
    What is a cavity? A cavity is a hole in a tooth that develops from tooth decay Cavities form when acids in your mouth wear down (erode) your tooth’s hard outer layer (enamel) Anyone can get a cavity Proper oral hygiene and regular dental cleanings can prevent cavities
  • What Does a Cavity Look Like at Every Stage? (with Pictures)
    What Is A Cavity? A cavity is a physical hole created inside of your tooth Dental cavities are also called “caries,” “carious lesions,” or more commonly, “tooth decay ” Cavities form because of erosion in the outer layer of tooth enamel
  • Cavities and tooth decay - Symptoms and causes - Mayo Clinic
    Tooth decay causes cavities This is a process that occurs over time Here's how tooth decay happens:
  • What is a Cavity? Tooth Decay Symptoms, Causes Treatments - Dentaly
    Your guide to tooth decay and cavities Read all about cavity symptoms, rotten teeth causes, how to prevent them and how to get rid of them for healthy teeth
  • About Cavities (Tooth Decay) | Oral Health | CDC
    Cavities (also called tooth decay or dental caries) are one of the most common diseases people get and live with during their lifetime 1 Cavities are caused by the bacteria in your mouth that stick to your teeth You feed the bacteria every time you eat or drink
  • Cavities - How to Tell if You Have One - WebMD
    What Is a Cavity? A cavity is what you get from tooth decay -- damage to a tooth Decay can affect the outer coating of a tooth (called enamel) and the inner layer (called dentin)
  • Tooth Decay (Caries or Cavities) - Johns Hopkins Medicine
    What is tooth decay (caries or cavities)? Tooth decay is the disease known as caries or cavities It's caused by certain bacteria in the mouth that thrive on sugars and refined carbohydrates and make acids as a side effect The acids attach to the hard outer layer of your tooth (enamel) first
  • What Is a Cavity in a Tooth? Causes, Types Treatment
    A cavity is a permanently damaged area in the hard surface of a tooth that develops into a tiny hole It forms when bacteria in your mouth produce acids that dissolve tooth enamel over time
  • What Does A Cavity Feel Like? - Oral-B
    Cavities are holes that form in teeth and are a sign of tooth decay A dentist can determine if you have a cavity and can treat it, usually using a tooth filling What a cavity feels like depends on the severity of the hole and other conditions An early cavity may go unnoticed
  • What does a cavity look like? - Harvard Health
    Cavities, also known as tooth decay or dental caries, are a widespread oral health problem: about 90% of adults have had at least one cavity Left untreated, cavities can lead to toothaches and other dental problems





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