Colloidal Gel (Noun)
Meaning
A colloid in a more solid form than a sol.
Classification
Nouns denoting substances.
Examples
- The agar used in microbiology labs is a type of colloidal gel that provides a solid medium for bacterial growth.
- A colloidal gel is formed when a sol is cooled or subjected to pressure, causing the particles to come together and form a more rigid structure.
- The dessert panna cotta is a colloidal gel made from sweetened cream that has been set with gelatin.
- Some hair styling products, such as hair gel, are colloidal gels that provide hold and texture to hair.
- A colloidal gel can be used as a matrix to deliver drugs or other active ingredients in a controlled release manner.