Dictionary
in•ter•change•a•ble
Pronunciation: (in"tur-chān'ju-bul), [key]—
adj.
1. (of two things) capable of being put or used in the place of each other:
interchangeable symbols.
2. (of one thing) capable of replacing or changing places with something else:
an interchangeable part. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.