retractive
/riˈtræktɪv/Definitions
1. adjective
Tending to retract or withdraw; having the power of retraction.
“The retractive nature of the snail’s foot allowed it to quickly withdraw into its shell.”
2. adjective
Returning to a previous position or state; reversible.
“The retractive force of the spring helped to return the object to its original position.”