retarder

名词 n.
中文释义

英文释义

名词 n.
  1. Something which retards or slows.
    — The substance acted as a retarder to the chemical reaction because it radically changed the pH.
  2. A device for slowing down large trucks, lorries, buses, shunted railway wagons.
    — The hump cabin and its relay room are at the summit of the hump on the right-hand side, and the control tower is on the centre line of the yard between the primary and secondary retarders.
  3. A refrigerator used to slow down proofing of yeast when making dough.

词形变化

retarders plural

词汇关系

衍生词
vapor retarder

词源

Etymology tree
English retard
English -er
English retarder
From retard + -er.
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