温床

1. Origins, structure, and basic meaning

• Structure: 温床 is a noun read おんしょう, meaning a heated bed for seedlings or, figuratively, an environment where a harmful phenomenon develops.
• Basic usage: It can identify a literal hotbed prepared for seedlings or a closed environment that becomes a breeding ground for rumors.
  • 農家は苗を育てる温床を準備した。 says that the farmer prepared a hotbed for raising seedlings; 閉鎖的な環境がうわさの温床になった。 says that the closed environment became a breeding ground for rumors.

2. Common pitfalls and similar expressions

• 苗を育てる温床
  • The relative clause modifies 温床 and identifies it as a literal facility for raising seedlings.
• うわさの温床になる
  • In the figurative use, it denotes an environment in which a harmful phenomenon such as rumors develops and spreads.
• 温床 and 温室
  • 温床 is a heated growing bed or a figurative breeding ground, while 温室 is a greenhouse building with controlled conditions.