adwaith

== Welsh == === Etymology === From ad- +‎ gwaith; calque of English reaction. === Pronunciation === IPA(key): /ˈadwai̯θ/ === Noun === adwaith m (plural adweithiau) (chemistry) reaction ==== Derived terms ==== adwaith niwclear (“nuclear reaction”) adweithedd (“reactivity, reactance”) adweithio (“to react”) adweithiol (“reactive; reactionary”) adweithiwr (“reactionary”) adweithydd (“reactor”) === Mutation === === Further reading === Griffiths, Bruce; Glyn Jones, Dafydd (1995), “reaction”, in Geiriadur yr Academi: The Welsh Academy English–Welsh Dictionary‎[1], Cardiff: University of Wales Press, →ISBN D. G. Lewis, N. Lewis, editors (2005–present), “adwaith”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “adwaith”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies