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单词 reducer
释义

WordReference Random House Unabridged Dictionary of American English © 2024
re•duc•er  (ri do̅o̅′sər, -dyo̅o̅′-),USA pronunciation n. 
  1. a person or thing that reduces.
  2. [Photog.]
    • Photographyan oxidizing solution for lessening the density of an exposed negative.
    • Photographya developing agent.
  3. Building(in plumbing) a coupling decreasing in diameter at one end. Cf. increaser (def. 2).
  • reduce + -er1 1520–30

Collins Concise English Dictionary © HarperCollins Publishers::
reducer /rɪˈdjuːsə/ n
  1. a chemical solution used to lessen the density of a negative or print by oxidizing some of the blackened silver to soluble silver compounds
    Compare intensifier
  2. a pipe fitting connecting two pipes of different diameters
  3. a person or thing that reduces
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更新时间：2025/7/23 19:09:36