noun
- Plural of fibroin; a fibrous protein that is the main structural component of silk and spider webs.
Usage: technical; biology
Examples
- Fibroins are the primary proteins found in silk produced by silkworms.
- Scientists study fibroins to understand the remarkable strength of spider silk.
- The fibroins in cocoon silk give it its characteristic tensile strength.
- Researchers are developing synthetic fibroins for use in biomedical applications.
- Fibroins can be extracted and processed to create new biomaterials.