tweakable

English

Etymology

tweak +‎ -able

Adjective

tweakable (comparative more tweakable, superlative most tweakable)

1. That can be tweaked; moddable, customizable.
   • 2007, David Pogue, Windows Vista for Starters: The Missing Manual:

     And it's every bit as tweakable as previous versions of Windows. You can turn off the new Aero look, or just selected parts of it.

2. (cryptography, not comparable) Of a block cipher: accepting a second input (the "tweak"), used in conjunction with the key to select the permutation computed by the cipher.