CONVERTIBLE

convertible. Convertible, a. that may be changed, reciprocal

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Con‐vert″i‐ble (?), a. [[L. convertibilis: cf. F. convertible.]] 1. 1. Capable of being converted; susceptible of change; transmutable; transformable.
Minerals are not convertible into another species, though of the same genus. Harvey. 2. 2. Capable of being exchanged or interchanged; reciprocal; interchangeable.
So long as we are in the regions of nature, miraculous and improbable, miraculous and incredible, may be allowed to remain convertible terms. Trench.