Thyratron
//ˈθaɪ.ɹəˌtɹɒn// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any of several types of thermoelectric valve once used as a high-speed switch
Etymology
From Ancient Greek θύρα (thúra, “door”) + -tron. Originally a trademark, registered 17 June 1930 by the General Electric Company (United States Patent Office, Registration No. 271-660).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.