Thiokol

[ thahy-uh-kawl, -kol ]

noun

, Trademark.

1. a brand name for any of a group of durable synthetic rubber products derived from an organic halide, as ethylene dichloride, C 2 H 4 Cl 2 , and an alkaline polysulfide, as sodium polysulfide: used chiefly in the manufacture of sealants, adhesives, and hoses for gasoline and oil.