In Spinoza, the basic and eternal reality, the structure and law of the world.

Wealth, possessions, and property make a person prosperous or affluent. (1)

A secretion presented by a social parasite that induces the host insects to accept the parasite as a member of their ant colony: An adoption substance is a discharge that is emitted from an insect to incite an ant community to accept it as a part of the group.

A secretion presented by a social parasite: The appeasement substance lowers aggression in the host insect and aids the parasite's acceptance by the host colony.

Originally, the set of pheromones by which the queen continuously attracts and controls the reproductive activities of the workers: The queen substance is consumed by worker bees and preventss ovary development.

A substance laid down in the form of a trail by one animal and followed by another member of the same species.