Trilithium stomach

A trilithium stomach is a component of Transformer anatomy.

Its possible that this part of Transformer biology is unique to the Insecticons.

Fiction

Generation 1 cartoon continuity

After devouring the Nova Power Core, it was learned that the device was incompatible with the Insecticons' trilithium stomachs. The Insecticon Syndrome

From Teletraan I: The Transformers Wiki, a Wikia wiki.