核兵器

1. Origins, structure, and basic meaning

• Structure: In 核兵器 (かくへいき), nuclear 核 and weapon 兵器 combine to denote a nuclear weapon.
• Basic usage: 核兵器 is a weapon using energy from nuclear reactions for destructive purposes.

2. Common pitfalls and similar expressions

• Nuclear weapon versus nuclear technology
  • It is distinct from peaceful nuclear applications such as power or medicine and from conventional explosives.