Definition of acousticon in English:

acousticon

noun

figurative
rare
  • Any of various devices used to assist hearing or amplify sound. Also figurative. Compare earlier otacousticon. Now rare.

Origin

Mid 17th century; earliest use found in Henry More (1614–1687), philosopher, poet, and theologian. From ancient Greek ἀκουστικόν, neuter singular (used in ancient Greek to denote the faculty of hearing) of ἀκουστικός.

Pronunciation

acousticon

/əˈkuːstɪk(ə)n/