High-pressure engine
High-pressure High"-pres`sure (?; 135), 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. [1913 Webster]

2. Fig.: Urgent; intense; as, a high-pressure business or social life. [1913 Webster]

3. Using intense psychological pressure or other incentives to convince others to do things; aggressively persistent; as, high-pressure salesmen; high-pressure tactics. [PJC]

{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}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • High-pressure — High pres sure (?; 135), 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. [1913 Webster] 2. Fig.: Urgent; intense; as, a… …   The Collaborative International Dictionary of English

  • High-pressure steam — Steam Steam (st[=e]m), n. [OE. stem, steem, vapor, flame, AS. ste[ a]m vapor, smoke, odor; akin to D. stoom steam, perhaps originally, a pillar, or something rising like a pillar; cf. Gr. sty ein to erect, sty^los a pillar, and E. stand.] 1. The… …   The Collaborative International Dictionary of English

  • High pressure steam locomotive — A high pressure steam locomotive is a steam locomotive with a boiler that operates at pressures well above what would be considered normal. In the later years of steam, boiler pressures were typically 200 to 250 PSI (1.4 to 1.7 MPa). High… …   Wikipedia

  • high-pressure fuel system — That part of the aircraft’s overall fuel system that starts after the entry of fuel into the engine. An HP pump (high pressure pump) takes fuel from the low pressure, or aircraft, fuel system and raises its pressure sufficiently to ensure an… …   Aviation dictionary

  • High Pressure Direct Injection — Der Begriff Direkteinspritzung bezeichnet ein Verfahren zur Kraftstoffeinspritzung für Dieselmotoren und Ottomotoren. Der Kraftstoff wird dabei direkt in den Brennraum eingespritzt. Inhaltsverzeichnis 1 Direkteinspritzung bei Dieselmotoren 1.1… …   Deutsch Wikipedia

  • high-pressure compressor — The second stage compressor in a dual spool gas turbine engine. It is called an N2 compressor. A high pressure compressor is the only one rotated by the starting system of an aircraft …   Aviation dictionary

  • high-pressure turbine — The turbine used to drive a high pressure (N2 ) compressor. In a twin spool engine, it is positioned just after the combustion chamber turbine …   Aviation dictionary

  • HP (high-pressure) cock — The cock(s) used to stop the engine by cutting off the fuel supply to the burners. These may be electrically or manually controlled and are usually incorporated into fuel control units to eliminate unnecessary pipe connections. Unlike the low… …   Aviation dictionary

  • Engine — En gine ([e^]n j[i^]n), n. [F. engin skill, machine, engine, L. ingenium natural capacity, invention; in in + the root of gignere to produce. See {Genius}, and cf. {Ingenious}, {Gin} a snare.] 1. Note: (Pronounced, in this sense, [e^]n*j[=e]n .)… …   The Collaborative International Dictionary of English

  • Engine driver — Engine En gine ([e^]n j[i^]n), n. [F. engin skill, machine, engine, L. ingenium natural capacity, invention; in in + the root of gignere to produce. See {Genius}, and cf. {Ingenious}, {Gin} a snare.] 1. Note: (Pronounced, in this sense,… …   The Collaborative International Dictionary of English

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