mercerize

/ˈmɜːrsəraɪz/
verb
  1. To treat cotton fabric or thread with a chemical (usually sodium hydroxide) to make it stronger, more lustrous, and easier to dye. (American English spelling of mercerise.)
    • The company decided to mercerize all its cotton products for a premium finish.
    • You can mercerize the yarn at home using a special solution.
    • Many modern textile mills mercerize their cotton to improve its quality.
Synonyms
What does "mercerize" mean? | whatsthatwordmean | whatsthatwordmean