ion

A noun referring to an atom or molecule that has gained or lost one or more electrons, resulting in a net electrical charge.

• 🇨🇳指因获得或失去一个或多个电子而带有电荷的原子或分子，带正电的称为阳离子，带负电的称为阴离子。

1. Electrically charged particle B2 formal scientific

   An atom or molecule that has gained or lost one or more electrons, resulting in a positive or negative electric charge.

   • Positive ions are called cations, while negative ones are anions.
   • Ions in a solution allow it to conduct electricity.
   • Sodium and chlorine ions form an ionic bond in salt.
   • The movement of ions across a cell membrane is essential for nerve impulses.

   🇨🇳离子

• ions plural form
• ions' possessive plural form
• ion's possessive singular form