兵器

へいき

arms, weapons, ordinance

JLPT N1

Character Breakdown

Meaning and Usage

The word 兵器 (へいき) specifically refers to weapons or arms, often in a military or defense context. It is a formal term used to describe various types of weaponry, including firearms, explosives, and other military ordinance.

Common Contexts

You will often see 兵器 used in discussions about military technology, defense budgets, or international law regarding arms control. It is not typically used for everyday items like kitchen knives or sports equipment.

Collocations and Patterns

  • 兵器の開発 (へいきのかいはつ): development of weapons
  • 兵器の使用 (へいきのしよう): use of weapons
  • 兵器を製造する (へいきをせいぞうする): to manufacture weapons

These collocations are common in news reports, academic texts, and formal discussions about military matters.

Register and Nuance

兵器 is a formal and technical term. It is appropriate in written and spoken contexts related to defense, military, or international relations. Avoid using it in casual conversation when referring to simple tools or weapons.

Common Learner Mistake

Learners sometimes confuse 兵器 with 武器 (ぶき), which also means weapons but is more general and can be used in everyday contexts. Use 兵器 when referring to military-grade or official arms, and 武器 for more general or figurative uses.

Example Sentences

くにはあたらしいへいきのかいはつにたがくのよさんをとうじている。

The country is investing a large budget in the development of new weapons.

へいきのしようはこくさいほうできびしくせいげんされている。

The use of weapons is strictly regulated by international law.

かれはへいきのせんもんかとしてぐんにきんむしている。

He works in the military as a weapons specialist.