Welsh edit

Etymology edit

From ym- +‎ paladr (ray) +‎ -edd.

Pronunciation edit

Noun edit

ymbelydredd m

  1. radiation (radioactive energy)

Mutation edit

Welsh mutation
radical soft nasal h-prothesis
ymbelydredd unchanged unchanged hymbelydredd
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), “ymbelydredd”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies