プログレッシブ和英中辞典(第4版)の解説
そくし【即死】
(an) instant [instantaneous] death
彼は車にはねられて即死した
He was hit by a car and died instantly [an instantaneous death].
日本語の解説|即死とは
(an) instant [instantaneous] death
彼は車にはねられて即死した
He was hit by a car and died instantly [an instantaneous death].