convertible
Pronunciation: /kənˈvəːtɪb(ə)l/
adjective
- 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.
noun

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

Spelling help
Spell convertible with -ible at the end.