dynatron

American  

[dahy-nuh-tron] / ˈdaɪ nəˌtrɒn /

noun

Electronics.

1. a tetrode, once frequently used as an oscillator in radio, in which an increase in the plate voltage results in a decrease in the plate current because of emission of electrons from the plate.

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Etymology

Origin of dynatron

First recorded in 1915–20; dyna- + -tron

Example Sentences

My dad would every few months swap the record that was accorded the honour of appearing at the front of the LP rack under the Dynatron record player.

From The Guardian