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Meaning of hydrail | Babel Free

Noun CEFR B1

Definitions

Any rail technology where vehicles use on-board hydrogen as a source of energy to power the motors.

uncountable

CEFR level

B1

Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

hydralazine hydram hydramide hydramine hydramnion hydramnios