Definition of theremin
: a purely melodic electronic musical instrument typically played by moving the hands in the electromagnetic fields surrounding two projecting antennae
Origin of theremin
modification of Russian termen-voks from Leviticus Sergeevich Termen (Léon Thérémin) †1993 Russian engineer & inventor + Latin vox voice
First Known Use: 1927
Learn More about theremin
Britannica.com: Encyclopedia article about "theremin"
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