(hydraulics) A hydraulicdevice 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 machine.
(photography) A liquid used in the process of developing a negative to reduce its darkness.
(plumbing) A component used to connect two pipes of different bores.
(software) A function that takes state and action as arguments and returns the next state of the app.
(philosophy) A philosophical position which holds that a complex system is nothing but the sum of its parts, and that an account of it can be reduced to accounts of individual constituents. In a reductionist framework, the phenomena that can be explained completely in terms of relations between other more fundamental phenomena, are called "epiphenomena".
“The most effective combinations include at least two antibiotics plus the acid reducers.”
“The role of fermentative microbes is mainly in the partial breakdown of organic molecules that then serve as nutrients for the sulfate reducers and the methanogens.”
“Campaigns such as Meatless Mondays have encouraged so-called meat reducers, or flexitarians.”