radiwm

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Welsh[edit]

Chemical element
Ra
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Sampl o radiwm

Etymology[edit]

Borrowed from English radium, from French radium, from rad(ioactif) (radioactive).

Pronunciation[edit]

Noun[edit]

radiwm m (uncountable, not mutable)

  1. radium

References[edit]

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