遍在

1. Origins, structure, and basic meaning

• Structure: 遍在 is read as へんざい and means ubiquity or presence throughout an area.
• Basic usage: It can describe invisible air existing everywhere around us or a common pattern present across an entire region.

2. Common pitfalls and similar expressions

• Present everywhere around us
  • 遍在 means that invisible air exists throughout our surroundings. Example: 空気は目に見えませんが、私たちの周りに遍在しています。
• Present throughout a region
  • 遍在 means that the common pattern exists across the whole region rather than at one point. Example: 研究者は、共通の模様が地域全体に遍在する理由を調べました。