INTERCHANGEABLE
exchangeable, interchangeable, similar, standardized, standardised
(adjective) capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability; āinterchangeable electric outletsā; āinterchangeable partsā
interchangeable
(adjective) (mathematics, logic) such that the arguments or roles can be interchanged; āthe arguments of the symmetric relation, āis a sister of,ā are interchangeableā
Source: WordNet® 3.1
Etymology
Adjective
interchangeable (not comparable)
Freely substitutable; that may be swapped at will.
Following each other in alternate succession; alternating.
Noun
interchangeable (plural interchangeables)
Anything that can be interchanged; a substitute.
Source: Wiktionary
In`ter*change"a*ble, a. Etym: [Cf. OF. entrechangeable.]
1. Admitting of exchange or mutual substitution. "Interchangeable
warrants." Bacon.
2. Following each other in alternate succession; as, the four
interchangeable seasons. Holder.
– In`ter*change"a*ble*ness, n.
– In`ter*change"a*bly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition