ionisation

不可数

A noun referring to the process by which an atom or molecule acquires a positive or negative charge by gaining or losing electrons, or the resulting state of being dissociated into ions.

• 🇨🇳名词，指原子或分子失去或获得电子而带正电或负电的过程，也指由此形成离子的状态或电离作用。

1. Process of forming ions C1 formal scientific

   The process by which an atom or molecule acquires a positive or negative charge by gaining or losing electrons, often through heat, radiation, or electrical discharge.

   • Ionisation occurs when a high-energy photon strikes an atom.
   • The process of ionisation is fundamental to plasma physics.
   • Scientists studied the ionisation of gases under extreme conditions.

   🇨🇳电离

   同义词: ionization

2. State of being ionised C1 formal scientific

   The condition of being dissociated into ions, typically as a result of chemical reaction, heat, or electrical discharge.

   • The ionisation of the solution was measured using a conductivity meter.
   • High levels of ionisation can affect the chemical properties of a substance.
   • The experiment demonstrated the ionisation of water molecules.

   🇨🇳电离

• ionisations plural form
• ionisations' possessive plural form
• ionisation's possessive singular form