The Open Dictionary

diaphragm

名词

UK/ˈdaɪ.ə.fræm/
US/ˈdaɪ.ə.fræm/

定义 diaphragm 名词

muscle

  1. Countable

    The muscle that separates the chest cavity from the abdominal cavity.

    • During a deep breath, the diaphragm moves downward.

    • Spasms in the diaphragm can cause hiccups.

    • The doctor examined the patient’s diaphragm for any abnormalities.

birth control

  1. Countable

    A circular, flexible rubber device inserted into the vagina before sexual intercourse to prevent pregnancy.

    • She consulted her doctor about using a diaphragm for contraception.

    • A diaphragm must be fitted correctly by a doctor to be effective.

    • A diaphragm is often used with spermicide for increased effectiveness.

cover

  1. Countableengineeringspecialized

    A thin, flexible sheet of material stretched across an opening, often used in mechanical or acoustic devices.

    • A microphone uses a diaphragm to detect sound vibrations.

    • The diaphragm in a speaker vibrates to produce sound.

    • The pump uses a diaphragm to move fluid.