兵器

1. Origins, structure, and basic meaning

• Structure: 兵器 is read as へいき and is a noun for a weapon, armament, or weapon system designed for combat or military use.
• Basic usage: Structure appears in 兵器の構造, while a target of destruction appears in 強力な兵器.

2. Common pitfalls and similar expressions

• Difference from 武器
  • 武器 ranges from personal weapons to figurative strengths; 兵器 focuses on military equipment and weapon systems.
• Singular and collective use
  • Context determines whether it denotes one weapon or armaments as a category.