tonfedd

Welsh

Etymology

ton + -fedd

Noun

tonfedd f (plural tonfeddi)

  1. wavelength
    • 2020 May 12, Dr Glyn Morris, “Chwalu'r chwedlau am coronafeirws”, in BBC Cymru Fyw:
      Ond os ofynnwch (sic) i ffisegydd, bydden nhw'n dweud bod tonfedd y lliw coch bob amser yn bresennol, ac felly mae'r datganiad yn wir.
      But if you ask a physicist, they would say that the wavelength of the color red is always present, and so the statement is true.

Mutation

Welsh mutation
radicalsoftnasalaspirate
tonfedd donfedd nhonfedd thonfedd
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.
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