noun
lethal injection
Refers to the method of execution by injecting a fatal substance. Used in legal and news contexts.
その州では致死注射による死刑が行われている。
In that state, executions are carried out by lethal injection.
Compound of 致死 (ちし, 'fatal, lethal') and 注射 (ちゅうしゃ, 'injection').