n. A modified form of iron, not occurring in nature, but known and manufactured from very early times, and at the present time of the highest importance in its various applications to the wants of man.n. A single span of the Forth Bridge is nearly as long as two Eiffel Towers turned horizontally and tied together in the middle, and the whole forms a complicated steel structure weighing 15,000 tons, erected without the possibility of any intermediate support, the lace-like fabric of the bridge soaring as high as the top of St. Paul's. The steel of which the compression members of the structure are composed containsn. of carbon andn. of manganese. The parts subjected to extension do not contain more thann. of carbon.n. Something made of steel.n. A piece of steel for striking sparks from flint to ignite tinder or match.n. A mirror.n. A cylindrical or slightly tapering rod of steel, sometimes having fine parallel longitudinal lines, used for sharpening carving-knives, etc.n. A strip of steel used to stiffen a corset, or to expand a woman's skirt.Made of steel: as, a steel plate or buckle.Hard as steel; inflexible; unyielding.To fit with steel, as by pointing, edging, overlaying, electroplating, or the like.To iron (clothes).To make hard as steel; render strong, rigid, inflexible, determined, etc.; make firm or stubborn.To cause to resemble steel in smoothness or polish.n. An obsolete form of steal, stale.n. Steel made from the ore by a direct process.n. Such steel rolled in the shapes adapted for these uses, such as angles, tees, channels, I-beams, T-beams, Z-bars, and deck-beams.