CONVERTIBILITY

convertibility

(noun) the quality of being exchangeable (especially the ability to convert a currency into gold or other currencies without restriction)

Source: WordNet® 3.1

Noun

convertibility (uncountable)

The quality of being convertible

The quality of a currency of being exchangeable for gold or other currencies

Source: Wiktionary

Con*vert`i*bil"i*ty, n.

Definition: The condition or quality of being convertible; capability of being exchanged; convertibleness. The mutual convertibility of land into money, and of money into land. Burke.

Source: Webster’s Unabridged Dictionary 1913 Edition