interchangeable

UK: ˌɪntəˈtʃeɪndʒəbl | US: ˌɪntərˈtʃeɪndʒəbl

Definition

  1. adj. capable of being exchanged or substituted without loss of function or value

  2. adj. (of parts or components) designed to be mutually replaceable

Structure
inter <between>change <alter>able <capable of>
Etymology

The word "interchangeable" combines three morphemes:

  1. "Inter-" (from Latin inter, meaning "between") introduces the idea of mutual or reciprocal action.
  2. "Change" (from Old French changier, meaning "to alter") forms the core concept of transformation or substitution.
  3. "-able" (from Latin -abilis, a suffix indicating capability) completes the meaning, suggesting the potential for exchange.
    The term emerged in the early 17th century, reflecting the Industrial Revolution's emphasis on standardized, replaceable parts—a concept pioneered by manufacturers like Eli Whitney. Its logic mirrors the practicality of modular systems where components function identically regardless of position.
Examples

  1. The machine's interchangeable parts simplified repairs.

  2. These batteries are interchangeable between the two devices.

  3. In language learning, some phrases are interchangeable in casual conversation.

  4. The modular design features interchangeable panels for customization.

  5. Their roles in the project were largely interchangeable.