Meaning of NEGATION in English
/ nɪˈgeɪʃn; NAmE / noun ( formal )
[ C , usually sing. , U ] the exact opposite of sth; the act of causing sth not to exist or to become its opposite :
This political system was the negation of democracy.
[ U ] disagreement or refusal :
She shook her head in negation.
late Middle English : from Latin negatio(n-) , from the verb negare deny.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005