ドミノ理り論ろんドミノりろんMeanings1noundomino theoryCold War-era political theory that if one country falls to communism, neighboring countries will follow like a row of dominoes.ドミノ理り論ろんは冷れい戦せん時じ代だいのアメリカの外がい交こう政せい策さくに大
