hydrolley

H4Y4D2R1O1L1L1E1Y4

noun

Any streetcar or tram vehicle using on-board hydrogen as a source of energy to power the motors.

Scrabble 19
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Meanings

nounhydrolley (plural hydrolleys)

plural hydrolleys

  1. Any streetcar or tram vehicle using on-board hydrogen as a source of energy to power the motors.

Origin

* Blend of hydrogen + trolley coined at the Fourth International Hydrail Conference, Valencia, Spain, in 2008

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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