synthesizer
US /ˈsɪn.θə.saɪ.zɚ/
UK /ˈsɪn.θə.saɪ.zɚ/
1.
an electronic musical instrument, typically operated by a keyboard, producing a wide variety of sounds by generating and combining signals of different frequencies.
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The band used a synthesizer to create unique electronic sounds.
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He spent hours experimenting with his new synthesizer.