noun
dynamite
Refers to the explosive material; also used metaphorically for something powerful or shocking.
工事現場でダイナマイトを使う。
They use dynamite at the construction site.
そのニュースはダイナマイト級のスクープだった。
That news was a dynamite-level scoop.
爆薬 is a general term for explosive compounds, while ダイナマイト specifically refers to dynamite (nitroglycerin-based).
Loanword from English 'dynamite', ultimately from Ancient Greek 'dynamis' (power).