blood pressure
US /ˈblʌd ˌpreʃ.ər/
UK /ˈblʌd ˌpreʃ.ər/

1.
the pressure of the blood in the circulatory system, often measured for diagnosis of disease, abnormally high or low blood pressure indicating a disorder.
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The doctor checked her blood pressure during the examination.
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High blood pressure can lead to serious health problems.