pump priming

the spending of government funds in commercial enterprises, to stimulate the national economy.

1935–40, Americanism

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World English Dictionary
pump priming
1.  the act or process of introducing fluid into a pump to improve the sealing of the pump parts on starting and to expel air from it
2.  (US) government expenditure designed to stimulate economic activity in stagnant or depressed areas
3.  another term for deficit financing

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Cultural Dictionary

pump priming definition

Informally, government spending to increase purchasing power and stimulate the economy.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Commodities have been put to good use although inputs have been principally for pump priming.
Pump priming must not create a cross connection between the finished and raw water supplies.
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