411 REFERENCE · Wiktionary
Q spoiler
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en Q-switch.
en 1966 Laser Phasography of Jets, Shocks and Plasmas Herman M. Presby 62 This was done for the oscilloscope and for the laser Q-spoiler circuitry.