What is the meaning of Apophasis?

An allusion to something by denying that it will be mentioned.

A process of arriving at knowledge by statements of denial; particularly, developing a concept of God through negative assertions about his nature.

denial, negation, repudiation

apophasis; ironically alluding to a subject matter by denying that the subject will be mentioned, embedded within a statement or rhetorical question whereby one, as it were, answers himself

apprehending knowledge of what is true about an unknowable, such as the essence of a divine being like God, by a negative process of denying propositions that are knowably untrue

accusative plural of apophasis

Source: wiktionary.org