exchanger Definition

to part with, give, or transfer in consideration of something received as an equivalent

to have replaced by other merchandise

to part with for a substitute

a device (such as an automobile radiator) for transferring heat from one fluid to another without allowing them to mix

a reversible interchange of one kind of ion present on an insoluble solid with another of like charge present in a solution surrounding the solid with the reaction being used especially for softening or demineralizing water, the purification of chemicals, or the separation of substances