synthesizer
n.an electronic machine that makes and changes sounds. You use it to create music by pressing keys or buttons and adjusting different settings.
n.an electronic instrument that generates and modifies sounds through the use of oscillators and filters. It can produce a wide range of tones, from realistic imitations of acoustic instruments to entirely artificial electronic sounds.
“The band uses a synthesizer to create their unique electronic sound.”
“Modern music producers often use a digital synthesizer to layer complex textures over traditional drum beats.”
“While early models relied on analog circuits to generate waveforms, contemporary synthesizers often use digital signal processing to achieve a level of precision and versatility that was previously impossible.”
“The first electronic speech machines, called synthesizers, were built in the 1930s.”
From synthesize + -er.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.