"Petroleum derivatives" refers to products that are made from or derived from petroleum, which is a type of fossil fuel. These products include items like gasoline, diesel, plastics, and synthetic materials. Full definition
Many stuffed toys claiming to be organic are actually filled with polyester stuffing known as fluff — a synthetic material made from coal and petroleum derivatives which could cause respiratory problems in some babies. (safbaby.com)
These additives are often liquid petroleum derivatives man - made in the laboratory. (annmariegianni.com)
Ethylene, the monomer for polyethylene, is obtained directly from the distillation of crude oil; other monomers have to be synthesized from more complex petroleum derivatives, and the path to these monomers can be several steps long. (diaperpincorner.com)