鉄筋 (てっきん)rebar; (iron) reinforcing bar; reinforcing steel

鉄筋, its kanji, and other words that share them.Open this graph

Kanji in 鉄筋

鉄道てつどうrailroad; railway
鉄てつiron (Fe)
鉄鋼てっこうiron and steel
地下鉄ちかてつunderground train; subway
国鉄こくてつnational railway (esp. former Japan National Railways)
電鉄でんてつelectric railway
私鉄してつprivate railway
鉄骨てっこつsteel frame; steel beam
筋すじmuscle; tendon
筋肉きんにくmuscle
大筋おおすじoutline; summary
道筋みちすじpath; route
心筋しんきんheart muscle; myocardium
消息筋しょうそくすじinformed circles
一筋ひとすじone long straight object (e.g. strand of hair, beam of light, wisp of smoke)
筋力きんりょくphysical strength; muscle strength

See how 鉄筋 connects to the rest of Japanese.