trolleybus
Definition
Noun: A trolleybus is a passenger bus powered by electricity. Unlike a tram or streetcar, it runs on rubber tires like a regular bus but receives its electrical power from overhead wires via two poles and connecting trolleys.
Usage
A trolleybus is a specific type of public transport vehicle. It is used for carrying passengers along fixed routes in urban areas.
Examples
- The city's quiet and efficient trolleybus network complements its subway system.
- We took the trolleybus downtown because it avoids traffic better than the diesel buses.
- The trolleybus became disconnected from the overhead wire and stopped.
Advanced Usage
- The term can be used attributively (like an adjective) to describe related infrastructure or systems, e.g., "trolleybus line," "trolleybus route," "trolleybus depot."
Variants and Related Words
- Trolley bus: A less common variant spelling, sometimes written as two words.
- Trackless trolley: A synonym used primarily in North America.
- Trolley: In informal contexts, "trolley" is sometimes used as a shortened form, though this can cause confusion with trams/streetcars or shopping carts.
Synonyms
- Trackless trolley
Antonyms / Contrast
- Diesel bus
- Battery-electric bus
- Tram / Streetcar (which runs on rails)
Related Phrases / Context
- Overhead wires / Catenary: The system of wires from which the trolleybus draws power.
- Trolley poles: The poles on the roof of the bus that make contact with the overhead wires.
Noun
-
a passenger bus with an electric motor that draws power from overhead wires
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