Mechanism may refer to: Mechanism (biology), explaining how a feature's created. Mechanism (chemistry), explaining a reaction pathway. Mechanism (philosophy), a theory that all natural phenomena can be explained by physical causes Mechanism (sociology), a set of rules designed to bring about a certain outcome Mechanism (technology), a device of which a mechanical joint's used Mechanism (engineering), a rigid bodies connected by joints inorder to accomplish desired force and motion transmi… (More on Mechanism)