[ mag-nee-toh-uh-koo-stiks ]
/ mægˌni toʊ əˈku stɪks /
(used with a singular verb) the branch of physics studying the effects of magnetism on acoustics or their interaction.
(used with a plural verb) acoustics generated by the movement of an electrical conductor in a magnetic field.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019