destain

/diːˈsteɪn/
verb
  1. To remove stain or color from something, especially in scientific or laboratory contexts.
    • The technician used a special solution to destain the microscope slide.
    • After the experiment, we had to destain the gel to see the protein bands clearly.
    • She carefully destained the fabric sample to test the dye's permanence.
Antonyms
What does "destain" mean? | whatsthatwordmean | whatsthatwordmean