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interchangeable

[in-ter-cheyn-juh-buh l] /ˌɪn tərˈtʃeɪn dʒə bəl/
adjective
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.
Origin
late Middle English
1400-1450
1400-50; interchange + -able; replacing late Middle English entrechaungeable < Middle French entrechangeable
Related forms
interchangeability, interchangeableness, noun
interchangeably, adverb
noninterchangeability, noun
noninterchangeable, adjective
noninterchangeableness, noun
noninterchangeably, adverb
uninterchangeable, adjective
Synonyms
2. See exchangeable.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for un interchangeable

interchangeable

adj.

late 14c. (implied in interchangeably), from inter- + changeable. Related: Interchangeability.

Online Etymology Dictionary, © 2010 Douglas Harper
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