Payment Gateways. 1  For every credit card transaction online and in-store, a service must communicate with the customer's credit card company to check for sufficient funds. In-store, typically, a POS (point of sale) machine performs this action.
Definition of idic. : relating to or consisting of ids idic constituents of germplasm.
Definition of ECHOIC. 1. : formed in imitation of some natural sound: onomatopoeic. 2.: of or relating to an echo.efinition of ECHOIC. 1. : formed in imitation of some natural sound: onomatopoeic. 2.