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bubbletop

[buhb-uh l-top] /ˈbʌb əlˌtɒp/
noun
1.
a transparent dome, usually made of plastic or bulletproof glass, that serves as the roof or part of the roof of an automotive vehicle.
2.
a vehicle having such a dome:
The old van was converted into a bubbletop.
adjective
3.
fitted with such a dome:
a bubbletop limousine.
Also, bubble-top.
Origin
1965-1970
1965-70; bubble + top1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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