1. plural of theremin; electronic musical instruments played by moving the hands near two antennas to control pitch and volume

Examples

• The orchestra featured two theremins in the avant-garde composition.
• She collected vintage theremins from the 1950s.
• The museum’s exhibit displayed several rare theremins.
• Modern theremins are often used in electronic music.
• The band’s unique sound came from incorporating theremins into their arrangements.
• Scientists demonstrated how theremins work using electromagnetic fields.