low pressure; low voltage; diastolic pressure
Meanings
3 senses · 6 examplesnoun
low pressure (in gases, liquids, atmosphere)
technicalCommon in meteorology (e.g., low-pressure systems), physics, and engineering contexts.
The weather forecast says a low-pressure system will pass through tomorrow.
This material needs to be manufactured in a high vacuum (extremely low pressure) environment.
noun
low voltage (electrical)
technicalRefers to electrical systems operating at low voltage for safety (e.g., home electronics). Often contrasted with high voltage.
The charger converts high voltage to low voltage to charge the phone.
Safety regulations require vigilance even when operating low-voltage equipment.
noun
diastolic blood pressure; the lower number in a blood pressure reading
technicalIn medical contexts, especially when discussing blood pressure readings (e.g., 120/80 mmHg, where 80 is the '低压').
The doctor told me my diastolic pressure is a bit high and I need to watch my diet.
Normal blood pressure range is systolic below 120 and diastolic below 80.