Definition of Digitron in US English:

Digitron

noun

Electronics
  • A cold-cathode tube shaped like a number, letter, or symbol, emitting light when a voltage is applied across it and used for the purposes of display.

Origin

1950s; earliest use found in The Trade Marks Journal. From digi- + -tron.

Pronunciation

Digitron

/ˈdɪdʒɪtrɒn/