domino theory
English
Etymology
An allusion to a row of dominoes in which the fall of one leads to a cascade of falling pieces.
Noun
- (politics, historical) The theory that, if South Vietnam fell to Communism, it would be followed by Cambodia, Laos, additional Southeast Asian countries, other Asian countries, and likely even elsewhere.
Synonyms
- (theory of encroaching communism): domino effect
References
- “domino theory”, in OneLook Dictionary Search.