/ kənˈvɜːtəbl; NAmE -ˈvɜːrt-/ adjective , noun
■ adjective
convertible (into / to sth) that can be changed to a different form or use :
a convertible sofa (= one that can be used as a bed)
convertible currencies (= ones that can be exchanged for those of other countries)
The bonds are convertible into ordinary shares.
► con·vert·ibil·ity / kənˌvɜːtəˈbɪləti; NAmE -ˌvɜːrt-/ noun [ U ]
■ noun
a car with a roof that can be folded down or taken off
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WORD ORIGIN
late Middle English (in the sense interchangeable ): from Old French , from Latin convertibilis , from convertere turn about, from con- altogether + vertere turn.