Welsh edit

Chemical element
He
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Etymology edit

Borrowed from English helium, from New Latin helium, from Ancient Greek ἥλιος (hḗlios, sun) + -ium.

Pronunciation edit

Noun edit

heliwm m (uncountable, not mutable)

  1. helium

Derived terms edit

Further reading 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