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Webster 1913 Edition

Noun.

The quality or state of being exchangeable.

The law ought not be contravened by an express article admitting the

exchangeability

of such persons.

Washington.

Noun.

The quality or state of being exchangeable.

Though the law ought not to be contravened by an express article admitting the exchangeability of such persons.

exchangeability ‎(countable and uncountable, plural exchangeabilities)

condition of being exchangeable