petroliwm

== Welsh == === Alternative forms === petrolewm === Etymology === Borrowed from English petroleum. === Pronunciation === IPA(key): /pɛtˈrɔljʊm/ Rhymes: -ɔljʊm === Noun === petroliwm m (uncountable) petroleum === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “petroliwm”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies