sudden fall in stock prices; stock market crash
Used in stock market contexts to describe a sharp, sudden drop in prices or a crash. Often appears in news and financial reports.
The Tokyo market continues to experience a sharp decline today.
That news triggered a stock market crash.
Standard kana spelling; the word is usually written in kana.
Katakana spelling, also common in financial contexts.
Ateji spelling; rarely used. It is a rarely used kanji form.
The origin is uncertain. The kanji 瓦落 is ateji, and the word may be related to the sound of something collapsing or falling apart.