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.
... beneath the stars which dust the midnight dome. My friend the Mate is just ahead, as I vanish through a low-arched doorway which shows black against his white paint. Careful now; these stairs are steep, and the upward-rising air is like a gust of the "stormy blast of hell." Round the low-pressure cylinder, then down again—and we ... — An Ocean Tramp • William McFee