Coinage refers to the act or process of creating new words or phrases that become commonly used, or to the set of coins of different values used in a country's money system.
It is a type of word formation process that involves the creation and general use of new words through sources like commercial products, technology, music, cinema, etc.
Examples of words that were coined and have gained widespread usage among people include nylon, vaseline, granola, xerox, teflon, kleenex, zipper, and aspirin.