Webster's Revised Unabridged Dictionary · 1913

Low-pressure

Low-pressure , adjective

1.
Having, employing, or exerting, a low degree of pressure.
2.
same as easygoing, 4; as, a low-pressure salesman.
Collocations (1)
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.