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. convertibility n. convertibly adv.
[ OF f. L convertibilis (as CONVERT) ]