thyratron

[ thahy-ruh-tron ]
/ ˈθaɪ rəˌtrɒn /

noun Electronics.

a gas-filled, hot-cathode tube in which one or more control electrodes initiate, but do not limit and cannot interrupt, the flow of electrons.

Nearby words

  1. thymus,
  2. thymus corpuscle,
  3. thymus gland,
  4. thymy,
  5. thyone,
  6. thyristor,
  7. thyro-,
  8. thyroactive,
  9. thyroadenitis,
  10. thyroaplasia

Origin of thyratron

1925–30; < Greek thýra door + -tron

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for thyratron

thyratron

/ (ˈθaɪrəˌtrɒn) /

noun

electronics a gas-filled tube that has three electrodes and can be switched between an `off' state and an `on' state. It has been superseded, except for application involving high-power switching, by the thyristor

Word Origin for thyratron

C20: originally a trademark, from Greek thura door, valve + -tron

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012