Digitronn.
/ˈdɪdʒᵻtrɒn/, U.S. /ˈdɪdʒᵻˌtrɑn/ 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. Cf. Nixie tube at Nixie n.3
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the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] > type of
magic eye1935
Skiatron1940
Digitron1958
1958 Trade Marks Jrnl. 18 June 622/1 Digitron. Electric discharge tubes... Ericsson Telephones Limited.
1961 New Scientist 10 Aug. 350/1 The digitron..is essentially a neon lamp in which the cathode is formed in the shape of the required character—a number, a letter or a symbol.
1978 D. R. Green & J. Lewis Sci. with Pocket Calculators i. 1 Displays tend to be 8 digit with green digitrons in preference to the original red light-emitting diodes.
1998 A. Emmerson Electronic Classics xxxiii. 388 Register display tube (e.g. digitrons, Nixie tube-like devices).
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).
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n.1958