Meanings and history of the name Greer : | Edit. Greer is of Latin origin and it is used mainly in English. The name Greer means 'watchful'. Also Watcher, Watchful, Alert, Guardian.The girl name Greer is pronounced 'GRIHR' 1 syll. gree(r), gr-e-er.reer is of Latin origin and it is used mainly in English. The name Greer means 'watchful'. Also Watcher, Watchful, Alert, Guardian. The girl name Greer is pronounced 'GRIHR' 1 syll. gree(r), gr-e-er.
Noun. 1. polypropylene-a polymer of propylene used as a thermoplastic molding material. polypropene. plastic-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.oun. 1. polypropylene-a polymer of propylene used as a thermoplastic molding material. polypropene. plastic-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.
Polycarbonate (PC) plastics are a naturally transparent amorphous thermoplastic. Although they are made commercially available in a variety of colors (perhaps translucent and perhaps not), the raw material allows for the internal transmission of light nearly in the same capacity as glass.