bubble car
English
![](Images/wiktionary/W55033_at_Colne_Valley_Railway_2.JPG.webp)
a Class 121 bubble car multiple unit
![](Images/wiktionary/Trojan_Bubble_Car.JPG.webp)
a "Trojan" bubble car
Noun
bubble car (plural bubble cars)
- (rail transport, informal) a single-car multiple unit
- A small three-wheel motor vehicle in a category between a motorbike and a car