Welsh edit

Alternative forms edit

Etymology edit

Borrowed from English petroleum.

Pronunciation edit

Noun edit

petroliwm m (uncountable)

  1. petroleum

Mutation edit

Welsh mutation
radical soft nasal aspirate
petroliwm betroliwm mhetroliwm phetroliwm
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading edit

  • 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