springback

springback (countable and uncountable, plural springbacks)

1. (countable) An inner false joint on a bound book, springing upward from the true or outer back when the book is opened flat.
2. (uncountable) The amount by which a material such as metal or wood springs back after being bent.
   • 1967, Product Engineering - Volume 38, page 106:

     This unit features precalculation of required overbend, which Datex calls "adaptive springback compensation."

   • 1988, Orville D. Lascoe, Handbook of Fabrication Processes, page 33:

     It is more frequently used to overbend predictable small springback.

   • 2002, Lon Schleining, The Complete Manual of Wood Bending, page 25:

     Design the form to allow for overbend (20 to 30%), to compensate for springback.