say it: in-tur-CHAYN-juh-buhl
interchangeable is an adjective meaning "(mathematics, logic) such that the arguments or roles can be interchanged". It carries 2 recorded senses.
(mathematics, logic) such that the arguments or roles can be interchanged
“the arguments of the symmetric relation, `is a sister of,' are interchangeable”
logic
capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability
“interchangeable electric outlets”
“interchangeable parts”
Definitions, synonyms and semantic relations for interchangeable come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.