tubular

having the shape of a tube or pipe; hollow and cylindrical

tubular, tubiforme

• a tubular object

Collocations tubular frame · tubular steel

• The bike has a tubular frame.

  La bicicleta tiene un marco tubular.

used to express surprise or amazement, often in a humorous way

¡Vaya!, ¡qué pasada!

• tubular!

• Tubular! That's a great idea.

  ¡Vaya!, ¡qué gran idea!