Having, employing, or exerting, a low degree of pressure.
2.
Same as easygoing, 4; as, a low-pressure salesman.
Synonyms:easygoing.
Low-pressure steam engine, a steam engine in which low steam is used; often applied to a condensing engine even when steam at high pressure is used. See Steam engine.
... the low-pressure cylinder, frowning portly from above, emitted a faint wheeze at every thrust, and except for that low hiss the engines worked their steel limbs headlong or slow with a silent, determined smoothness. And all this, the white walls, ... — Typhoon • Joseph Conrad