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Pronunciation varies by accent · noun
Any streetcar or tram vehicle using on-board hydrogen as a source of energy to power the motors..
Use hydrolley when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Hydrolley means Any streetcar or tram vehicle using on-board hydrogen as a source of energy to power the motors..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use hydrolley where its definition matches the intended context.
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