gyrobus

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noun

An electric bus which stores energy in a flywheel rotating at high speeds (up to 3000 RPM) rather than batteries.

Scrabble 13
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Meanings

noungyrobus (plural gyrobuses)

plural gyrobuses

  1. historicalAn electric bus which stores energy in a flywheel rotating at high speeds (up to 3000 RPM) rather than batteries.
  2. literatureA flying bus.

    The gyrobus touched down on the commercial side of the spaceport, not far from a row of hangars where several shuttles were parked.

    2007 December, Allen Steele, “Galaxy Blues”, in Asimov's Science Fiction, volume 31, number 12, →ISSN, page 102

Origin

From gyro- (“spinning motion”) + bus.

Full word history & related roots →
Cite this entry
APA

gyrobus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/gyrobus

MLA

“gyrobus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gyrobus. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “gyrobus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/gyrobus.

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