slid·er /ˈslaɪdɚ/
 滑標,會滑動之物,浮動塊


 slider
 浮動塊


 Slid·er a. See Slidder. [Obs.]


 Slid·er, n.
 1. One who, or that which, slides; especially, a sliding part of an instrument or machine.
 2. Zool. The red-bellied terrapin (Pseudemys rugosa). [Local, U. S. ]
 Slider pump, a form of rotary pump.

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 slider
      n 1: a person who slips or slides because of loss of traction
           [syn: skidder, slipper]
      2: someone who races the luge [syn: luger]
      3: freshwater turtle of United States and South America;
         frequently raised commercially; some young sold as pets
         [syn: yellow-bellied terrapin, Pseudemys scripta]
      4: a fastball that curves slightly away from the side from
         which it was thrown