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.
idiom noun [C]. âº a âgroup of words whose âmeaning âconsidered as a âunit is different from the meanings of each word âconsidered separately: Mastering the use of idioms can be hard for a learner. âShoot yourself in the âfootâ is an idiom that âmeans to do something that âhurts yourself.