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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 and tooth decay - Symptoms and causes - Mayo Clinic
    Brown, black or white staining on any surface of a tooth Pain when you bite down When to see a dentist You may not be aware that a cavity is forming That's why it's important to have regular dental checkups and cleanings, even when your mouth feels fine But if you have a toothache or mouth pain, see your dentist as soon as possible
  • CAVITY | English meaning - Cambridge Dictionary
    CAVITY definition: 1 a hole, or an empty space between two surfaces: 2 a hole in a tooth 3 a hollow space in an… Learn more
  • 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
  • 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)
  • About Cavities (Tooth Decay) | Oral Health | CDC
    Treatment and recovery You should visit your dentist every year, especially to find any cavities Your dentist may recommend fluoride or other products to stop small cavities You may need a filling to fix larger cavities A tooth with a cavity near the nerve may need a root canal or to be pulled
  • CAVITY Definition Meaning - Merriam-Webster
    The meaning of CAVITY is an unfilled space within a mass; especially : a hollowed-out space How to use cavity in a sentence
  • Cavities - Mouth and Dental Disorders - Merck Manual Consumer Version
    If a cavity is treated before it starts to hurt, the chance of damage to the pulp is reduced, and more of the tooth structure is saved To detect cavities early, a dentist inquires about pain, examines the teeth, probes the teeth with dental instruments, and may take x-rays
  • 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
  • Cavities | MouthHealthy - Oral Health Information from the ADA
    A cavity is a little hole in your tooth Cavities are more common among children, but changes that occur with aging make cavities an adult problem, too Recession of the gums away from the teeth, combined with an increased incidence of gum disease, can expose tooth roots to plaque Tooth roots are covered with cementum, a softer tissue than enamel
  • Do I Have a Cavity? How to Tell at Home - Verywell Health
    You don’t need to wait for pain to be able to tell if you have a cavity Tiny, dark spots on teeth could be cavities Learn how to visually inspect your teeth





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