Open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead. Synonyms: ambiguous; equivocal. Context examples:
Polypropylene, also know as polypropene is a form of plastic just as polyethylene is. What separates polypropylene from polyethylene for starters is the fact that polypropylene can be molded in essence becoming pliable above a certain temperature. When it cools it will return to its solid state.
1 Polyurethane, a polymer used in manufacture of hard-plastic objects. 2  Polyester, a category of natural and synthetic polymers. 3  Polystyrene, aromatic polymer made from the aromatic monomer styrene.  Polypropylene, a thermoplastic polymer used in a wide variety of applications.