培地

1. Origins, structure, and basic meaning

• Structure: 培地(ばいち) is a culture medium used for growing microorganisms, cells, or similar material.
• Basic usage: It refers to the medium used in an experiment or to an observed change in its color.

2. Common pitfalls and similar expressions

• Material versus the process 培養
  • 培養(ばいよう) is the process of growing microorganisms or cells. 培地 is the material used in that process, distinguishing the activity from its medium.