Meaning ofcopper-bottomedin English

Adjective

1. thoroughly reliable; secure
   The company is copper-bottomed and will not go bankrupt.
2. copper-lined for heat conductivity
   The copper-bottomed pan is ideal for cooking delicate sauces.
3. made with copper for strength
   The engineer designed a copper-bottomed engine for the new car model.
4. having a copper-covered lower part; durable
   The copper-bottomed sailing boat withstood the harsh weather conditions.