High-pressure /(?; 135)/

High·-pres·sure

High-pressure

a.
  1. Having or involving a pressure greatly exceeding that of the atmosphere; -- said of steam, air, water, etc., and of steam, air, or hydraulic engines, water wheels, etc.
  2. Fig.: Urgent; intense; as, a high-pressure business or social life.
  3. Using intense psychological pressure or other incentives to convince others to do things; aggressively persistent; as, high-pressure salesmen; high-pressure tactics.

Phrases & Compounds
High-pressure engine
an engine in which steam at high pressure is used. It may be either a condensing or a noncondensing engine. Formerly the term was used only of the latter. See Steam engine.