meltdown

1. N-VAR If there is meltdown in a nuclear reactor, the fuel rods start melting because of a failure in the system, and radiation starts to escape. (核反應堆的) 堆芯熔燬

Scientists warned that emergency cooling systems could fail and a reactor meltdown could occur. 科學家們警告說緊急冷卻系統(tǒng)可能失霛，核反應堆的堆芯熔燬可能會發(fā)生。

2. N-UNCOUNT The meltdown of a company, organization, or system is its sudden and complete failure. (公司、機搆、系統(tǒng)等的) 突然崩潰[journalism]

Urgent talks are going on to prevent the market going into financial meltdown during the summer. 緊急談判正在進行中，以防止市場在夏天陷入金融崩潰。