reinforced concrete(n = noun.substance) ferroconcrete - concrete with metal and/or mesh added to provide extra support against stresses;
is a kind of concrete

   Concrete having within its mass a system of iron or steel supports, such as bars, rods, or a heavy mesh, to provide increased tensile strength and shear resistance. Same as Ferro-concrete. [Webster 1913 Suppl.]

N  materials, material, raw material, stuff, stock, staple, adobe, brown stone, chinking, clapboard, daubing, puncheon, shake, shingle, bricks and mortar, metal, stone, clay, brick crockery, compo, composition, concrete, reinforced concrete, cement, wood, ore, timber, materials, supplies, munition, fuel, grist, household stuff pabulum, ammunition, contingents, relay, reinforcement, reenforcement, baggage, means, calico, cambric, cashmere, raw, wooden, adobe.

concrete, concrete jungle, concrete mixer, concrete representation, re'89nforced concrete, reinforced