containment

[kuhn-teyn-muhnt]
noun
1.
the act or condition of containing.
2.
an act or policy of restricting the territorial growth or ideological influence of another, especially a hostile nation.
3.
(in a nuclear power plant) an enclosure completely surrounding a nuclear reactor, designed to prevent the release of radioactive material in the event of an accident.

Origin:
1645–55; contain + -ment

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To containment
Collins
World English Dictionary
containment (kənˈteɪnmənt)
 
n
1.  the act or condition of containing, esp of restraining the ideological or political power of a hostile country or the operations of a hostile military force
2.  (from 1947 to the mid-1970s) a principle of US foreign policy that sought to prevent the expansion of Communist power
3.  physics See magnetic bottle Also called: confinement the process of preventing the plasma in a controlled thermonuclear reactor from reaching the walls of the reaction vessel, usually by confining it within a configuration of magnetic fields

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

containment
1650s, "action or fact of containing," from contain + -ment. As an international policy of the West vs. the Soviet Union, recorded from 1947.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Cultural Dictionary

containment definition


A policy aimed at controlling the spread of communism around the world, developed in the administration of President Harry S. Truman. The formation of the North Atlantic Treaty Organization (NATO) in 1949 was an important step in the development of containment.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Example sentences
Soviet engineers scrambled to come up with a containment solution.
Explosions have been recorded at two of the reactors, but do not seem to have
  breached the crucial inner containment vessels.
It was to be the containment structure for a twin to the reactor there today.
Make sure you have the correct containment and diet.
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;