polystone
nounEtymology From poly- + stone.
1
A mixture of polyurethane resin and other additives meant to produce a stone-like appearance.
- The polystone pots are made of unsaturated resin, mixed with powdered stone additives to give a stone finish. The advantages of polystone over natural stone are more than the consideration of cost.2014, Anne-Marie Powell, Plans for Small Gardens: Design, Build, Maintain, Enjoy: