in ‧ ter ‧ change ‧ a ‧ ble /ˌɪntəˈtʃeɪndʒəb ə l $ -tər-/ BrE AmE adjective
[ Word Family: adjective : ↑ changeable , ↑ interchangeable , ↑ changed ≠ UNCHANGED , changing ≠ ↑ unchanging , ↑ changeless ; noun : ↑ change , ↑ interchange , ↑ interchangeability ; verb : ↑ change , ↑ interchange ; adverb : ↑ interchangeably ]
things that are interchangeable can be used instead of each other:
These two words are almost interchangeable.
a camera with interchangeable lenses
—interchangeably adverb
—interchangeability /ˌɪntətʃeɪndʒəˈbɪləti, ˌɪntətʃeɪndʒəˈbɪlɪti $ -tər-/ noun [uncountable]