Standard Lemma guide
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noun
Any rail technology where vehicles use on-board hydrogen as a source of energy to power the motors.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From hydro- + rail, coined in 2004 in the International Journal of Hydrogen Energy.
