polysulfide
/ˌpɑliˈsʌlfaɪd/
noun
- A chemical compound that contains chains of sulfur atoms, often used in sealants, rubber, and industrial products.
- The rubber in this hose contains polysulfide to make it resistant to chemicals.
- Manufacturers use polysulfide in some types of industrial coatings.
- Polysulfide sealants are commonly used to seal windows and airplane fuel tanks.