knock-on effect

noun

ˈnäk-ˌȯn- 

plural knock-on effects

chiefly British

: an indirect or secondary effect

The heat wave has had critical knock-on effects. Surging electricity demand and stress on the power grid triggered power outages …

—Umair Irfan

Over the past 12 months, asking prices [for houses] have gone up by 9.5%. This has a knock-on effect for renters. UK rents rose by 8.3% in the last three months …

—theguardian.com (London)

compare domino effect, ripple effect

Word History

First Known Use

1972, in the meaning defined above