hydoddyn

== Welsh == === Etymology === From hydawdd (“soluble”) +‎ -yn. === Pronunciation === (North Wales) IPA(key): /həˈdɔðɨ̞n/ (South Wales) IPA(key): /həˈdoːðɪn/, /həˈdɔðɪn/ === Noun === hydoddyn m (plural hydoddion, not mutable) (physical chemistry) solute