Meaning & Definition of word "Cavity"

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    Cavity

    /ˈkæv.ɪ.ti/

    noun:

    • 1. A hollow space or an empty area within a solid object.
      • Example: The dentist found a cavity in my tooth that needed to be filled.
    • 2. An anatomical hollow or space in a structure, often in living organisms.
      • Example: The thoracic cavity houses the heart and lungs.
    • 3. A natural or formed hollow or recess in the earth or a geological formation.
      • Example: The cave had a large cavity that echoed when we spoke.

    Etymology

    From Middle English cavitie, from Latin cavitas, from cavus meaning 'hollow'.

    Common Phrases and Expressions

    cavity in the tooth:

    Refers specifically to a decay or hole in a tooth requiring dental treatment.

    abdominal cavity:

    The space within the abdomen that contains the intestines, stomach, and liver.

    cavity search:

    A thorough search usually conducted by law enforcement, often including a search of the body.

    Related Words

    cavern:

    A large, deep cave.

    tubercle:

    A small rounded projection or protuberance, often on a bone.

    depression:

    A sunken area or hollow.

    Slang Meanings of cavity

    Meaning: Cavity as a term for a hole or a significant empty space.

    Example Sentence: That old car has a real cavity where the trunk used to be.