thy·​ris·​tor thī-ˈri-stər How to pronounce thyristor (audio)
: any of several semiconductor devices that act as switches, rectifiers, or voltage regulators

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of thyristor was in 1958

Dictionary Entries Near thyristor

Cite this Entry

“Thyristor.” Dictionary, Merriam-Webster, Accessed 7 Dec. 2023.

More from Merriam-Webster on thyristor

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!