Before revision: Acousto-electronics (also spelled as 'Acoustoelectronics') is a branch of physics, acoustics and electronics that studies interaction of ultrasonic and hypersonic waves in solids with electrons and with electro-magnetic fields.
After revision: Acousto-electronics (also spelled as 'Acoustoelectronics') is a branch of physics, acoustics and electronics that studies interactions of ultronic and hypersonic waves in solids with electrons and with electro-magnetic fields.