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arc-back

American  
[ahrk-bak] / ˈɑrkˌbæk /

noun

Electronics.

  1. an undesirable phenomenon, occurring in rectifier tubes, in which current flows in the reverse direction, from anode to cathode, as a result of arcing, limiting the usable voltage of the tube.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.