Meaning & Definition of word "Diaphragm"

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    Diaphragm

    /ˈdaɪəfræm/

    noun:

    • 1. A thin, dome-shaped muscle that separates the thoracic cavity from the abdominal cavity and plays a major role in respiration.
      • Example: When you take a deep breath, your diaphragm contracts and moves downward.
    • 2. A barrier or partition, particularly in mechanical systems, such as an apparatus used to regulate the flow of air or liquid.
      • Example: The diaphragm in the engine helps control the intake of air for combustion.
    • 3. A contraceptive device, typically made of silicone, inserted into the vagina to prevent sperm from entering the uterus.
      • Example: She opted to use a diaphragm as her method of birth control.

    Etymology

    From Greek diaphragma, meaning 'partition' or 'barrier'.

    Common Phrases and Expressions

    diaphragmatic breathing:

    A breathing technique that involves the diaphragm.

    diaphragm valve:

    A type of valve that uses a diaphragm to control flow.

    muscular diaphragm:

    The muscular structure that assists in respiration.

    Related Words

    respiration:

    The process of taking in oxygen and expelling carbon dioxide.

    contraction:

    The tightening of a muscle.

    valve:

    A device that regulates the flow of a fluid.

    Slang Meanings of diaphragm

    Meaning: Referring to diaphragm in a casual or humorous context.

    Example Sentence: He joked about needing a break for his diaphragm after laughing so hard.

    Meaning: Used in a quirky way in fitness circles to refer to core breathing techniques.

    Example Sentence: Let's focus on diaphragm control for better endurance in our workout.