That operates, moves or takes place at a greater than normal speed.

Alternative form of high-speed

A speed having a large magnitude.

plural of high speed

(metallurgy) A kind of tool steel, invented in the early 20th century, which retains its hardness and temper at high temperatures (at which previous kinds of tool steel would soften), thus allowing cutters made from it to be employed at higher cutting speeds than were previously practical.

A type of rail transport that operates significantly faster than traditional rail traffic, using an integrated system of specialized rolling stock and dedicated tracks.

plural of high-speed steel

Alternative form of high speed steel

plural of high speed steel

(informal) Highly efficient. / (informal) Competent or reliable.