Signifierin
Signifierin is a fictional biochemical compound that plays a crucial role in the narrative of the science fiction novel "Echoes of the Void." Within the story, signifierin is described as a complex protein molecule produced by a rare, sentient alien flora. Its primary function is to facilitate interspecies communication on a non-verbal, telepathic level.
The compound is said to be released into the environment as a gaseous emission by the alien
In the plot, signifierin becomes a vital tool for the human protagonists attempting to establish peaceful contact