adj. & n.
--adj.
1. that may be converted.
2 (of currency etc.) that may be converted into other forms, esp. into gold or US dollars.
3 (of a car) having a folding or detachable roof.
4 (of terms) synonymous.
--n. a car with a folding or detachable roof.
Derivatives:
convertibility n. convertibly adv.
Etymology: OF f. L convertibilis (as CONVERT)