arbrofiad

== Welsh == === Etymology === From arbrofi (“to experiment”) +‎ -ol. === Pronunciation === IPA(key): /arˈbrɔvjad/ === Noun === arbrofiad m (plural arbrofiadau) experiment Synonym: arbrawf experimentation confirmation, proof Synonyms: cadarnhad, prawf ==== Derived terms ==== arbrofiadol (“experimental”) === Mutation === === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “arbrofiad”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies