Meanings
nouncold-cathode tube (plural cold-cathode tubes)
plural cold-cathode tubes
- A gas discharge lamp or vacuum tube that emits electrons by means of ion bombardment rather than a heated filament.
Cite this entry
APA
cold-cathode tube. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cold-cathode%20tube
MLA
“cold-cathode tube.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cold-cathode%20tube. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “cold-cathode tube,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cold-cathode%20tube.
Source: cold-cathode tube on Wiktionary, CC BY-SA 4.0.