comptometer

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noun

A mechanical or electromechanical calculator; an adding machine without a crank, driven instead by keypress.

Scrabble 19
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Meanings

nouncomptometer (plural comptometers)

plural comptometers

  1. A mechanical or electromechanical calculator; an adding machine without a crank, driven instead by keypress.

    Another was able to add up correctly the most complicated lists of figures in less time than a comptometer.

    1956, Anthony Burgess, Time for a Tiger (The Malayan Trilogy), published 1972, page 56

Origin

Genericized trademark of Felt and Tarrant Manufacturing Company, apparently a blend of compute and meter (“measure”).

Full word history & related roots →
Cite this entry
APA

comptometer. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/comptometer

MLA

“comptometer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/comptometer. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “comptometer,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/comptometer.

Source: comptometer on Wiktionary, CC BY-SA 4.0.