from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A cumulative effect produced when one event sets off a chain of similar events.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The situation in which one
eventsets off a chainof additional events.
- noun politics, historical The
theorythat, if South Vietnam fell to Communism, it would be followed by Cambodia, Laos, and additional South Asian countries.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the consequence of one event setting off a chain of similar events (like a falling domino causing a whole row of upended dominos to fall)
from The American Heritage® Dictionary of the English Language, 4th Edition
[From the fact that a row of dominoes stood on end will fall in succession if the first one is knocked over.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
An allusion to a row of dominoes in which the fall of one leads to a cascade of falling pieces
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