resin

/ˈrɛzɪn/
noun
  1. A sticky substance produced by some trees and plants, used in varnishes, adhesives, and incense.
    • Pine trees produce resin that can be used to make turpentine.
    • Frankincense is a fragrant resin harvested from Boswellia trees.
    • The ancient Egyptians used resin in the mummification process.
  2. A synthetic material similar to natural resin, used in plastics, coatings, and jewelry.
    • She made a beautiful pendant by pouring resin over dried flowers.
    • Epoxy resin is commonly used to create durable floor coatings.
    • Many 3D printers use liquid resin that hardens under UV light.
Synonyms
verb
  1. To treat or coat something with resin.
    • They resin the fiberglass cloth to make a strong boat hull.
    • The woodworker resined the surface to give it a glossy finish.
    • You should resin the canvas to waterproof it for outdoor use.