A contrivance for reducing the dimensions of one part so as to fit it to another, as a reducing coupling, or a device for holding a drilling a chuck.
(b)
A reducing motion.
(c)
A reducing valve.
(d)
A hydraulic device for reducing pressure and hence increasing movement, used to transmit the load from the hydraulic support of the lower shackle to the lever weighing apparatus in some kinds of heavy testing machines.
3.
(Photog.) A reducing agent, either a developer or an agent for reducing density.
... across now for one pound, and get something to eat on the road; but the travelling public will go on patronizing the latest reducer of fares until the poorer company gets starved out and fares go up again—then the travelling public will have to pay three or four times as much as they do now, and go hungry on the voyage; all of which ought to go to ... — While the Billy Boils • Henry Lawson
... mighty Czar of all flesh, ceaseless reducer of empires, unfathomable glutton in the whole realms ... — The Works of Frederich Schiller in English • Frederich Schiller