| Hydrogen Ions | ไฮโดรเจนไอออน [การแพทย์] |
| hydrogen ion | (n) a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus |
| hydrogen ion concentration | (n) the number of moles of hydrogen ions per cubic decimeter |
| ｐＨ | [ペーハー;ピーエイチ, pe-ha-; pi-eichi] (n) (ペーハー is from German) pH (measure of acidity); concentration of hydrogen ions [Add to Longdo] |
| 水素イオン | [すいそイオン, suiso ion] (n) hydrogen ion [Add to Longdo] |
| 水素イオン濃度 | [すいそイオンのうど, suiso ion noudo] (n) (See ｐＨ) hydrogen ion concentration [Add to Longdo] |