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Add a Fada:  [á] [é] [í] [ó] [ú]
chatóideacha
Usage
  1. feadáin chatóideacha le haghaidh glacadóirí teilifíse = cathode-ray tubes for television sets
  2. feadáin díritheoireachta mearcair-ghaile; feadáin chatóideacha = cathode-ray tubes; mercury arc rectifying valves and tubes