In·ter·change·a·ble a.
1. Admitting of exchange or mutual substitution. “Interchangeable warrants.”
2. Following each other in alternate succession; as, the four interchangeable seasons.
-- In*ter*change*a*ble*ness, n. -- In*ter*change*a*bly, adv.
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interchangeableness
n : the quality of being capable of exchange or interchange
[syn: exchangeability, interchangeability, fungibility]
[ant: unexchangeability]