Permatron

//ˈpɜː.məˌtɹɒn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A hot-cathode rectifier with anode current controlled by magnetic field.

Etymology

From a trade name. Blend of perma(nent) + -tron.

Related phrases

hot cathodemagnetic field

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.