Definitions

from The Century Dictionary.

  • noun One who or that which reduces, in any sense.
  • noun A joint-piece for connecting pipes of varying diameter. It may be of any form, straight, bent, etc. Also called reducing-coupling.
  • noun In arithmetic, a multiplier used to reduce to another denomination.
  • noun A device used in electric power-stations for lowering the voltage. It usually consists in alternating-current circuits of a step-down transformer and in direct-current circuits of a motor-generator.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who, or that which, reduces.
  • noun 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.
  • noun A reducing motion.
  • noun A reducing valve.
  • noun 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.
  • noun (Photog.) A reducing agent, either a developer or an agent for reducing density.
  • noun (Chem.) a reducing agent.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Something that reduces.
  • noun photography A liquid used in the process of developing a negative to reduce its darkness.
  • noun plumbing A component used to connect two pipes of different bores.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver
  • noun pipefitting that joins two pipes of different diameter

Etymologies

Sorry, no etymologies found.

Examples

  • Reducer: As the name suggests, a reducer is a fitting used to reduce from one pipe size to another.

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  • Popular stomach acid reducer ups patients 'risk of developing pneumonia threefold WASHINGTON - Researchers at Wake Forest University School of Medicine have found that a popular stomach-acid reducer, which is used to prevent stress ulcers in critically ill patients who need breathing machine support, triples the likelihood of contracting pneumonia among such patients.

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  • "Probably the most popular gear reducer style in conveyor applications is the worm gear reducer, which is a perfectly good reducer for many applications," Mintz says.

    Engineering Hardware-Software

  • In the "reducer," the comparatively tiny ten-foot tank set into an alcove, there were condensed the continuously-changing major features of the main chart, so that one man could comprehend and direct the board strategy of the engagement.

    Children of the Lens

  • And in the "reducer" 'the standard, ten-foot tank in the lower well'the entire spectacle was reproduced in miniature.

    Gray Lensman

  • The reduction of opposing viewpoints via ad hominem attacks, or by what essentially is a canard, says much more about the "reducer" than the "reducee."

    Daily News-Record

  • It is a poverty reducer rooted in the non-academic, marketplace realities of the poor: 190 million micro-borrowers enrolled. 97% microloan repayment rate.

    Jonathan Lewis: Social Impact Evaluation: Useful? Utopian? (Part 2 of 4)

  • It is a poverty reducer rooted in the non-academic, marketplace realities of the poor: 190 million micro-borrowers enrolled. 97% microloan repayment rate.

    Jonathan Lewis: Social Impact Evaluation: Useful? Utopian? (Part 2 of 4)

  • This consequence is especially bothersome because HDL cholesterol, a known risk-reducer of heart disease, is replaced by "bad cholesterol."

    Stephen Barrie, ND: Your Fat Cells Control Your Brain

  • Many competitors install a Dead Mule recoil reducer (a heavy cylinder that fits into the stock; 100straight. com) and add a soft aftermarket recoil pad.

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