expirable

From expire +‎ -able.

expirable (not comparable)

1. That may expire; capable of being brought to an end.
   • 2008, John VanDyk, Pro Drupal Development, Apress, →ISBN, page 362:

     Clear any expirable entry in the cache table that was set by the foo module (and thus has a $cid that begins with the foo: prefix): […]

• “expirable”, in Collins English Dictionary.
• “expirable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.