Definitions

1. noun

a complex mixture of fatty acids and other compounds found in the cutin of plant leaves and in cork, forming a water-resistant, impermeable barrier

“The study of suberin’s chemical composition has provided valuable insights into plant defense mechanisms.”

2. noun

a waxy, water-resistant substance produced by plants, especially in the bark of trees and the leaves of cacti

“The suberin in the cactus’s leaves prevents water loss and helps the plant survive in arid environments.”