subsidence
🇺🇸
/səbˈsaɪdns/
🇬🇧
/səbˈsaɪdns/
When the ground or a building goes down to a lower level than it was before.
After the heavy rain, there was a lot of subsidence in the area.
大雨の後、その地域に多くの地面沈下が起こりました。