noun
pheromone
Biological term for chemical signals between animals; also used colloquially for human attraction.
アリはフェロモンで仲間とコミュニケーションをとる。
Ants communicate with their nestmates using pheromones.
あの人はフェロモンが出ていると言われる。
People say that person gives off pheromones.
From English 'pheromone'.