low pressure
noun/ˌləʊ ˈpreʃə(r)/
/ˌləʊ ˈpreʃər/
[uncountable]- the condition of air, gas or liquid that is kept in a container with little force
- at low pressure Water supplies to the house are at low pressure.
- a condition of the air that affects the weather when the pressure is lower than average compare high pressure
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low pressure