Acroatic

ACROAT'IC, a. [Gr.]
Abstruse; pertaining to deep learning; and opposed to exoteric. Aristotle's lectures were of two kinds, acroatic, acroamatic, or esoteric, which were delivered to a class of select disciples, who had been previously instructed in the elements of learning; and exoteric, which were delivered in public. The former respected being, God, and nature; the principal subjects of the latter were logic, rhetoric, and policy. The abstruse lectures were called acroatics.

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