synthetic rubber(n = noun.substance) rubber - any of various synthetic elastic materials whose properties resemble natural rubber;
is a kind of synthetic, synthetic substance
has particulars: silicone rubber, neoprene, buna, buna rubber, butyl rubber

N  elasticity, springiness, spring, resilience, renitency, buoyancy, rubber, India rubber, Indian rubber, latex, caoutchouc, whalebone, gum elastic, baleen, natural rubber, neoprene, synthetic rubber, Buna- S, plastic, flexibility, Young's modulus, elastic, flexible, tensile, spring, resilient, renitent, buoyant, ductile, stretchable, extendable, the stress is proportional to the strain.

assam rubber, buna rubber, butyl rubber, cold rubber, crepe rubber, foam rubber, hard rubber, india rubber, mistletoe rubber plant, natural rubber, par'a0 rubber, para rubber, para rubber tree, rubber, rubber band, rubber boa, rubber boot, rubber bullet, rubber cement, rubber eraser, rubber plant, rubber stamp, rubber tire, rufous rubber cup, silicone rubber, synthetic, synthetic cubism, synthetic fiber, synthetic heroin, synthetic resin, synthetic substance, synthetic thinking