Translation guide
The process of converting atoms or molecules into ions by adding or removing charged particles. In Japanese, this is expressed using the noun イオン化 (ion-ka) or the verb イオン化する (ion-ka suru).
ionisation
To refer to the physical or chemical process of ionisation.
Standard term for ionisation in scientific and technical contexts. Can be used as a noun or with する to form a verb.
I learned about the ionisation of water.
Literally 'electric separation', used in physics and chemistry for ionisation, especially in contexts like electrolytic dissociation or plasma physics. More formal and technical than イオン化.
This substance ionises when heated.
電離層は大気の上層部にある。
The ionosphere is in the upper atmosphere.