|1.||the opposite or absence of something|
|2.||a negative thing or condition|
|3.||the act or an instance of negating|
|a. the operator that forms one sentence from another and corresponds to the English not|
|b. a sentence so formed. It is usually written --p, ~p, ̄p or ⇁p, where p is the given sentence, and is false when the given sentence is true, and true when it is false|
negation ne·ga·tion (nĭ-gā'shən)
A denial, contradiction, or negative statement.