The chemical process by which the action of a solvent or a change in physical condition, as in pressure or temperature, causes a molecule to split into simpler groups of atoms, single atoms, or ions. The separation of an electrolyte into ions of opposite charge.
ticket designator: a code on airline tickets to indicate what type of discount is applied, such as for a child or infant, or airline employee.
Definition of round-trip ticket. US. : a ticket that allows a person to travel to one place and then return back to the place he or she left.