noun
resin
REZ-un/ˈrezn/
A sticky organic secretion or a manufactured substance with similar properties.
Sticky resin seeps from a small cut in the pine's bark.

Etymology
Greek rhētinē named pine resin, a specific example of the plant secretion meant by the English word. The Greek word’s deeper origin is unknown.
In context
plants secrete resins for their protective benefits in response to injury the resin protects the plant from insects and pathogens
More examples
- She mixes the resin with a hardener before pouring it.
- Manufacturers use synthetic resins to make durable coatings.
- The lab tests the cannabis resin for THC.
Forms
resin · resins
resinous adjective — Containing resin or having its sticky qualities.