Ferro-concrete n. (Arch. & Engin.) Concrete strengthened by a core or foundation skeleton of iron or steel bars, strips, etc. Floors, columns, piles, water pipes, etc., have been successfully made of it. Called also armored concrete steel, and most commonly reenforced concrete.
... in their broadest sense, are as much entitled to a biographical dictionary of their own as are clergymen, race-horses, or artists in ferro-concrete, who all, I am assured, have their own "Who's Who"? Have not the medical men their Directory, the lawyers their List, the peers their Peerage? There are books which record the names and the particulars of musicians, schoolmasters, ... — The Pirates' Who's Who - Giving Particulars Of The Lives and Deaths Of The Pirates And Buccaneers • Philip Gosse