noun / adjective
convertible
kun-VUR-tuh-bul/kʌnvˈɝtʌbʌl/
Capable of changing into another form or use.
The car's convertible roof folds down into a compartment behind the seats.

Etymology
Turning developed into changing form, so convertible meant capable of being changed. The car name applies that idea to a vehicle whose folding roof lets it change between covered and open forms.
In context
with the Mias being a convertible we have taken that top off and we've added the roll cage
More examples
- The convertible crib becomes a toddler bed as your child grows.
- These bonds are convertible into shares of company stock.
- She lowers the roof of her convertible before driving to the beach.
Forms
convertible · convertibles
convert verb — To change into another form or use.
conversion noun — A change into another form or use.
Similar words
- transformable
- Emphasizes a change in shape or appearance, not necessarily use.
- adaptable
- Emphasizes adjustment to different needs rather than changing form.
- exchangeable
- Means replaceable with something else, rather than itself changing form.