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单词 retardancy
释义

WordReference Random House Learner's Dictionary of American English © 2024
re•tard•ant /rɪˈtɑrdənt/USA pronunciation   n. [countable]
  1. Chemistryany substance capable of reducing the speed of a chemical reaction.

adj. [usually used with a noun before it in combination]
  1. Chemistryretarding the spread of something:fire-retardant material.

WordReference Random House Unabridged Dictionary of American English © 2024
re•tard•ant  (ri tärdnt),USA pronunciation n. [Chem.]
  1. Chemistryany substance capable of reducing the speed of a given reaction.

adj. 
  1. Chemistryretarding or tending to retard (usually used in combination):fire-retardant construction materials.
  • retard + -ant 1635–45
re•tardance, re•tardan•cy, n. 

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更新时间:2024/9/20 15:25:45