'Interchangeable' definitions:

Definition of 'interchangeable'

From: WordNet
adjective
(mathematics, logic) such that the arguments or roles can be interchanged; "the arguments of the symmetric relation, `is a sister of,' are interchangeable"
adjective
Capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability; "interchangeable electric outlets" "interchangeable parts" [syn: exchangeable, interchangeable, similar, standardized, standardised]

Definition of 'Interchangeable'

From: GCIDE
  • Interchangeable \In`ter*change"a*ble\, a. [Cf. OF. entrechangeable.] [1913 Webster]
  • 1. Admitting of exchange or mutual substitution. "Interchangeable warrants." --Bacon. [1913 Webster]
  • 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. [1913 Webster]