thyratron

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).

• (Received Pronunciation) IPA^(key): /ˈθaɪ.ɹəˌtɹɒn/
• (General American) IPA^(key): /ˈθaɪ.ɹəˌtɹɑn/

thyratron (plural thyratrons)

1. (electronics) Any of several types of thermoelectric valve once used as a high-speed switch

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thyratron m (plural thyratrons)

1. thyratron

• “thyratron”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.