結合

1. Origins, structure, and basic meaning

• Structure: 結合 is read けつごう. It means joining things together or a bond between molecules.
• Basic usage: It covers fastening two parts with screws and studying molecular bonds with a model.

2. Common pitfalls and similar expressions

• Joining components
  • 二つの部品をねじで結合した means joining two parts with screws.
• Molecular bonds
  • 分子の結合 refers to bonds involving molecules.