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.
A word formed from the initial letters of a name (for example, NATO, from North Atlantic Treaty Organization) or by combining initial letters of a series of words (radar, from radio detection and ranging). Adjective: acronymic.