Meanings
plural permatrons
- A hot-cathode rectifier with anode current controlled by magnetic field.
Origin
From a trade name. Blend of perma(nent) + -tron.
Full word history & related roots →Cite this entry
permatron. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/permatron
“permatron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/permatron. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “permatron,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/permatron.
Source: permatron on Wiktionary, CC BY-SA 4.0.