기능이나 품질에 영향을 주지 않고 서로 대신하여 쓰일 수 있는.
Capable of being used in place of each other without affecting the function or quality of the whole.
예문:
"The laptop model is designed with interchangeable batteries to extend its usage time."
"Standardized components made the various machine parts interchangeable across different models."
성격이 매우 비슷하거나 동일하여 사실상 구별할 수 없는.
So similar or identical in character that they are practically indistinguishable.
예문:
"The two words are often used as interchangeable synonyms in casual conversation."
"To an outsider, the suburban houses in this neighborhood look completely interchangeable."