tanning

noun
  1. The process of treating animal skins to produce leather, which involves the use of tannins or other chemicals to preserve the hide and make it durable. noun
    The factory specializes in the tanning of cowhide to produce high-quality leather.
    Traditional tanning methods often use natural tannins derived from tree bark.
  2. The process of darkening the skin by exposure to ultraviolet light, either from the sun or artificial sources, resulting in a suntan. noun
    She spent the afternoon at the beach, tanning in the sun.
    Many people use tanning beds to achieve a bronzed look without going outdoors.
  3. The act of becoming darker in color due to exposure to sunlight or artificial UV light. verb
    He noticed his skin tanning after spending a week on vacation in the tropics.
    Tanning can increase the risk of skin cancer if proper precautions are not taken.