DISCONFIRM
Meaning of DISCONFIRM in English
— disconfirmation /dis kon'feuhr may"sheuhn, dis'kon-/ , n.
/dis'keuhn ferrm"/ , v.t.
to prove to be invalid.
[ 1935-40; DIS- + CONFIRM ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012