uncure

From un- +‎ cure.

uncure (third-person singular simple present uncures, present participle uncuring, simple past and past participle uncured)

1. (transitive, rare) To undo the effects of curing; return (something) to an untreated state
   • 1965, University of Maryland, Bulletin - Issues 201-252:

     The fabrics are finished and cured at the mill and are then cut and sewn into garments. The garment is pressed with a hot head press which temporarily uncures the resin, then re-cures it, permanently setting the garment into the desired shape.

   • 2008, Elizabeth Vincan, Wnt Signaling: Volume 1: Pathway Methods and Mammalian Models:

     Placement at 4°C "uncures" the slides, making the cover-slips slide around, so always leave them out for at least one night (manufacturer recommends 80 h) prior to examining the slides.