esteru

== Welsh == === Etymology === From ester +‎ -u. === Pronunciation === (North Wales) IPA(key): /ɛsˈdɛrɨ/, [ɛsˈtɛrɨ] (South Wales) IPA(key): /ɛsˈdeːrɨ/, /ɛsˈdɛrɨ/, [ɛsˈteːrɨ], [ɛsˈtɛrɨ] === Verb === esteru (first-person singular present esteraf) (organic chemistry, transitive) to esterify ==== Conjugation ==== ==== Derived terms ==== esteriad (“esterification”) === Mutation === === Further reading === Griffiths, Bruce; Glyn Jones, Dafydd (1995), “esterify”, in Geiriadur yr Academi: The Welsh Academy English–Welsh Dictionary‎[1], Cardiff: University of Wales Press, →ISBN Delyth Prys; J.P.M. Jones; Owain Davies; Gruffudd Prys (2006), Y Termiadur: termau wedi'u safoni; standardised terminology‎[2] (in Welsh), Cardiff: Awdurdod cymwysterau, cwricwlwm ac asesu Cymru (Qualifications curriculum & assessment authority for Wales), →ISBN