convertible

Definition of convertible

able to be changed in form, function, or character:a convertible sofa nationalism is too easily convertible into bitterness and selfishness
(of currency) able to be converted into other forms, especially into gold or US dollars: a formal commitment by the East European countries to convertible currencies currencies were officially convertible into gold via the dollar
(of a bond or stock) able to be converted into ordinary or preference shares: a sale of shares and convertible bonds the bonds are convertible into ordinary shares
(of a car) having a folding or detachable roof: his white convertible Mercedes
Logic (of terms) synonymous.

1a car with a folding or detachable roof: Brendan picked her up in his cherry-red convertible

2 (usually convertibles) a convertible security: an investment in convertibles can bring a higher return than an investment in equities

Derivatives

late Middle English (in the sense 'interchangeable'): from Old French, from Latin convertibilis, from convertere 'turn about' (see convert)

Spell convertible with -ible at the end.

Definition of convertible in the US English dictionary