You searched for: “electrophone
electrophone, electrophonic, electrophonically
An instrument that produces musical tones by means of oscillating electric circuits; such as, a theremin, a musical instrument with electronic tone generation, the pitch and tone volume being controlled by the distance between the player's hands and two metal rods serving as antennas or it is also defined more simply as, an electronic musical instrument, played by moving one's hands through electromagnetic fields created by two metal rods.