heliwm

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Welsh[edit]

Etymology[edit]

Borrowed from English helium.

Pronunciation[edit]

Noun[edit]

heliwm m (uncountable, not mutable)

  1. helium

References[edit]

  • R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present) , “heliwm”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies