Meaning

noun generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives

noun a card (usually plastic) that assures a seller that the person using it has a satisfactory credit rating and that the issuer will see to it that the seller receives payment for the merchandise deliver

adjective capable of being molded or modeled (especially of earth or clay or other soft material)

originFrom Latin plasticus (“of molding”), from Ancient Greek πλαστικός (plastikós), from πλάσσω (plássō, “to mold, form”). Doublet of plastique.

Etymology from Wiktionary, CC BY-SA 3.0