Dual-voltage
adj ·Rare ·Advanced level
Definitions
- 1 Able to run using two different voltages, depending on the voltage supplied to the particular railway line, whether by third rail direct current or overhead wires. not-comparable
"With multi-voltage techniques in their present state of development, the greatest disadvantage resulting from these differences is the impossibility of fast through multiple-unit expresses. Dual-voltage trains work between Amsterdam and Brussels, but many additional problems would arise if they were to run south of Luxembourg."
- 2 Provided with two separate traction power supplies at different voltages, typically as a changeover point between voltages. not-comparable
"Quévy, the end-to-end junction with the S.N.C.F. main line via Aulnoye to Paris, will be a dual-voltage station with arrangements of overhead and signalling equipment similar to those at Luxembourg, another junction between the 3,000V and 25kV systems."
Example
More examples"With multi-voltage techniques in their present state of development, the greatest disadvantage resulting from these differences is the impossibility of fast through multiple-unit expresses. Dual-voltage trains work between Amsterdam and Brussels, but many additional problems would arise if they were to run south of Luxembourg."
Etymology
From dual + voltage.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.