domino theory

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English[edit]

Etymology[edit]

An allusion to a row of dominoes in which the fall of one leads to a cascade of falling pieces.

Noun[edit]

domino theory (uncountable)

  1. (politics, historical) The theory that, if South Vietnam fell to Communism, it would be followed by Cambodia, Laos, and additional South Asian countries.

Synonyms[edit]

References[edit]