ulai

Welsh

Etymology

ul (“moist, damp”) +‎ -ai

Pronunciation

• (North Wales) IPA^(key): /ˈɨ̞lai̯/
• (South Wales) IPA^(key): /ˈiːlai̯/, /ˈɪlai̯/

Noun

ulai m or f (uncountable)

1. (obsolete) hydrogen

   Synonyms: hydrogen, ulnwy

Related terms

• blorai (“nitrogen”)
• callestrai (“silicon”)
• ufelai (“oxygen”)

Mutation

Welsh mutation
radical	soft	nasal	h-prothesis
ulai	unchanged	unchanged	hulai
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

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