sb. pl. Obs. [Gr. ἀκούσματα pl. of ἄκουσμα anything heard, n. of action f. ἀκού-ειν to hear.] Things received on authority: a technical word of a school of philosophy.

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1655–60.  T. Stanley, Hist. Philos., 371/1 (1701). They did esteem those amongst them the wisest, who had most of these Acousmata. Now all these Acousmata were divided into three kinds; some tell, what something is, others tell, what is most such a thing; the third sort tell, what is to be done, and what not.

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