裸電球

1. Origins, structure, and basic meaning

• Structure: Spelling: 裸電球. Reading: はだかでんきゅう. Core meaning: bare light bulb.
• Basic usage: Representative examples: 天井から裸電球が一つ下がっている / 裸電球の柔らかな光が古い部屋を照らした.

2. Common pitfalls and similar expressions

• A bulb without a shade
  • 裸電球 is a light bulb exposed without a shade or cover. “Bare” does not mean that the bulb is unlit or broken.