I was thinking of a bacterial osmosis, where one bacteria could feed off another bacteria feeding on the first. But I think I'm just trying to sound smart.
[sens figuré] Influence réciproque.
Influence réciproque, interpénétration -- Une osmose s'est produite entre ces deux civilisations.
Strange acquired meaning. Osmosis is usually unidirectional. guaranteed to evoke a violent reaction from police is to challenge their right to "define the situation." --- David Graeber citing Marc Cooper
So exit Physics & Chemistry, here I come Vocabulary ;)))