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Cavity vs Wellhole - What's the difference?

cavity | wellhole |

As nouns the difference between cavity and wellhole

is that cavity is a hole or hollow depression while wellhole is the open space in a floor, to accommodate a staircase.

cavity

English

Noun

(cavities)
  • A hole or hollow depression.
  • A hollow area within the body (such as the sinuses).
  • (dentistry) A soft area in a decayed tooth.

    • Synonyms

    * See also * (dentistry)

    Derived terms

    * buccal cavity * cavity back * cavity batten * cavity coupling * cavity fill * cavity filter * cavity impedence * cavity magnetron * cavity oscillator * cavity radiator * cavity resonance * cavity tray * cavity tuning * cavity vent * cavity wall * oral cavity

    Related terms

    * cave * concave * excavate * excavation * excavator

    External links

    * * *

    wellhole

    English

    Noun

    (en noun)
  • The open space in a floor, to accommodate a staircase.
  • The open space left beyond the ends of the steps of a staircase.
  • A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes.
    • (Webster 1913)