Thiokol

[ thahy-uh-kawl, -kol ]
/ ˈθaɪ əˌkɔl, -ˌkɒl /

noun Trademark.

a brand name for any of a group of durable synthetic rubber products derived from an organic halide, as ethylene dichloride, C2H4Cl2, and an alkaline polysulfide, as sodium polysulfide: used chiefly in the manufacture of sealants, adhesives, and hoses for gasoline and oil.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019