I can’t answer your question; I don’t know what is going on, even though I probably should (1950s+)
1. a combining form with the meanings “ion,” “ionized,” “ionosphere,” used in the formation of compound words: ionophore.
[ahy-on-uh-jin, -jen] /aɪˈɒn ə dʒɪn, -ˌdʒɛn/ noun, Physics, Chemistry. 1. any substance capable of producing , as an electrolyte.
[ahy-on-uh-mer] /aɪˈɒn ə mər/ noun, Chemistry. 1. any of a class of plastics that because of its ionic bonding action is capable of conducting electric current.
[ahy-uh-nohn] /ˈaɪ əˌnoʊn/ noun, Chemistry. 1. a light-yellow to colorless, slightly water-soluble liquid that is either one or a mixture of two unsaturated ketones having the formula C 13 H 20 O, used chiefly in perfumery. /ˈaɪəˌnəʊn/ noun 1. a yellowish liquid mixture of two isomers with an odour of violets, extracted from certain plants […]