Definition of acousmatic in English:

acousmatic

noun

  • A member of a group of disciples of Pythagoras who unquestioningly followed his doctrines and precepts rather than studying his scientific proofs and demonstrations. Opposed to mathematic, mathematician.

adjective

  • 1Of, relating to, or characteristic of this group. Also in extended use: thoughtless, unthinking.

  • 2Of, designating, or characterized by sound produced without a visible source, or a visual component or association; audible but unseen.

Origin

Mid 17th century; earliest use found in Thomas Stanley (1625–1678), poet and classical scholar. From post-classical Latin acusmaticus and its etymon Byzantine Greek ἀκουσματικός probationer in the school of Pythagoras, lit. ‘person willing to hear’ from ancient Greek ἀκουσματ-, ἄκουσμα + -ικός.

Pronunciation:

acousmatic

/ˌakuːzˈmatɪk/