Welsh edit

Etymology edit

From serydd (astronomer) (from sêr (stars) + -ydd) + -iaeth.

Pronunciation edit

Noun edit

seryddiaeth f (not mutable)

  1. astronomy (study of the physical universe beyond the Earth's atmosphere)

Further reading edit

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