hydrion Chem.
(ˈhaɪdraɪən, ˈhaɪdrɪɒn)
[Contraction of hydr(ogen) ion: see -ion3.]
The hydrogen ion or proton.
| 1901 J. Walker in Chem. News 4 Oct. 162 The proposals which I make for naming the positive and negative radicals of salts, acids, and bases considered as ions are as follows:—... If we use with Ostwald a dot to express unit positive charge, we have for some typical kations:—Hydrion..H·. Sodion..Na·. 1921 Phil. Mag. XLII. 455 There are only two elements, Sir Ernest Rutherford's proton (hydrion) and electron. 1930 Nature 20 Sept. 434/2 The hydrion concentration (pH) of the rain has been recorded. 1943 Thorpe's Dict. Appl. Chem. (ed. 4) VI. 381/2 There is a great excess of hydroxyl ions over hydrions. 1968 Passmore & Robson Compan. Med. Stud. I. p. xxxii (Index), Hydrion excretion, by kidney. |