adweithiol

== Welsh == === Etymology === From adweithio (“to react”) +‎ -ol. === Pronunciation === IPA(key): /adˈwei̯θjɔl/ === Adjective === adweithiol (feminine singular adweithiol, plural adweithiol, equative mor adweithiol, comparative mwy adweithiol, superlative mwyaf adweithiol) reactionary (chemistry) reactive Synonym: adweitheddol ==== Derived terms ==== ffotoadweithiol (“photoactive”) === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “adweithiol”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “adweithiol”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies