A chain reaction in which one event triggers a sequence of linked responses or effects; used in social, chemical, economic contexts, etc.
小さなミスが連鎖反応を起こしてプロジェクト全体に影響した。
A small mistake caused a chain reaction that affected the whole project.
株価の下落が連鎖反応となり市場全体が混乱した。
The stock price drop became a chain reaction and the whole market was thrown into turmoil.
ネット上の噂が連鎖反応的に拡散した。
The rumor spread across the internet in a chain-reaction manner.
A nuclear chain reaction — a series of nuclear reactions in which one reaction causes additional reactions (as in fission processes).
原子炉では連鎖反応を制御してエネルギーを取り出す。
In a reactor, the chain reaction is controlled to extract energy.
核兵器は急速な連鎖反応を利用して巨大な爆発を引き起こす。
Nuclear weapons use rapid chain reactions to produce massive explosions.