noun. A waxlike, water-repellent material present in the walls of some plant cells and forming the cuticle, which covers the epidermis.

noun. According to Frémy, a peculiar modification of cellulose contained in the epidermis of leaves, petals, and fruits, together with ordinary cellulose, and forming the cuticle or cuticular layers. Cutin exhibits under the microscope the aspect of an amorphous perforated film.

noun. A waxy substance containing fatty acids, soaps, and resinous material which, combined with cellulose, forms a substance nearly impervious to water and constituting the cuticle in plants.

noun. A waxy polymer of hydroxy acids that is the main constituent of plant cuticle

noun. (biochemistry) a waxy transparent material that occurs in the cuticle of plants and consists of highly polymerized esters of fatty acids

"The epidermis is usually a single layer of cells that secretes several surface coatings, including a fatty material called cutin, and wax long molecules made by joining fatty acids with alcohols, which is what makes many fruits naturally take a shine."

cutan  

plant material  plant substance