強化

1. Origins, structure, and basic meaning

• Structure: 強化 is read as きょうか and is a noun and する verb for making strength, capability, a system, or a property more robust.
• Basic usage: Mark the capability being strengthened with を, as in 守備を強化する and 耐震性を強化する.

2. Common pitfalls and similar expressions

• Difference from 改善
  • 改善 covers correcting weaknesses generally, whereas 強化 specifically increases strength, capacity, or resilience.
• Noun modification
  • 強化する練習 is practice intended to strengthen something, and the noun can also form compounds such as 強化工事.