Teratogenic coolant
Teratogenic coolant was a type of coolant. It was brown in color and sticky in texture. ()

The coolant was used for the subspace warp field propulsion system on mid-24th century Federation starships, including the . It prevented the engines from overheating by removing excess heat. Engineers were taught safety measures in technical manuals such as  Teratogenic Coolant Safety Protocol when working around and with this gas. (, okudagram)

Warp
Spacecraft components
Chemical compounds