decoupler

/diːˈkʌplər/
noun
  1. A device or mechanism used to separate two connected parts, especially in machinery or vehicles.
    • The mechanic replaced the faulty decoupler that was preventing the trailer from unhooking.
    • The train engineer pulled the decoupler to separate the engine from the cars.
    • A decoupler in the spacecraft allowed the landing module to detach safely.
  2. A software or electronic component that isolates different parts of a system so they can operate independently.
    • Using a decoupler in the code makes it easier to update one part without breaking the rest.
    • Engineers added a decoupler to the circuit to prevent interference between the two signals.
    • The software decoupler lets the app run smoothly even when the database is slow.
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