Definition of "convertible"

Able to be converted, particularly:

1. Able to be exchanged, one for the other, especially  quotations

   Quotations

   • As if, in truth, there were no God of Labour; as if godlike Labour and brutal Mammonism were convertible terms.

     1843 April, Thomas Carlyle, “ch. VI, Two Centuries”, in Past and Present, American edition, Boston, Mass.: Charles C[offin] Little and James Brown, published 1843, book III (The Modern Worker)

   1. (historical numismatics) Able to be exchanged for specie.

   2. (numismatics) Able to be exchanged for foreign currency.  examples

   3. (finance) Able to be exchanged for a different class of security (usually common stock) under certain set terms.  examples

2. (logic) Able to undergo conversion (i.e., inversion) without falsehood.  examples

3. Able to be turned, especially

   1. (obsolete) Able to be turned in a different direction.  quotations

      Quotations

      • The Axis of the Earth is supposed to haue a convertible nature.

        1635, Nathanael Carpenter, Geography Delineated Forth in Two Bookes (1.4.77)

   2. Able to be turned to a different purpose.  examples

   3. Able to be turned to a different religion or belief.  examples

4. Able to be turned into a different thing, especially

   1. (vehicles) Able to change from a closed to an open frame and back again.  examples

   2. (obsolete) Able to be easily digested.

(dated, in the plural) Interchangeable things or terms.  examples

(vehicles) A convertible car: a car with a removable or foldable roof able to convert from a closed to open vehicle and back again.  examples

(finance) A convertible security: a stock, bond, etc. that can be turned into another (usually common stock) under certain set terms.  examples

(computing) A computer able to convert from laptop to tablet and back again.  examples