ïoneiddio

== Welsh == === Etymology === From English ionise +‎ -eiddio. === Pronunciation === IPA(key): /ˌi.ɔˈnei̯ðjɔ/ === Verb === ïoneiddio (first-person singular present ïoneiddaf) (chemistry) to ionise ==== Usage notes ==== The verbnoun or dictionary form of a verb, such as this entry, is employed as a masculine singular noun in Welsh to express an uncountable verbal noun. The corresponding countable noun is usually derived morphologically from the related verb. ==== Conjugation ==== ==== Derived terms ==== ïoneiddiad (“ionisation”) === Mutation === === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “ïoneiddio”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies