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单词 riser
释义 ris·er
\ˈrīzə(r)\ noun
(-s)
Etymology: Middle English, from risen to rise + -er — more at rise
1. : one that rises: as
 a. : one that gets up from sleep
  < birds are early risers >
 b. : insurgent
 c. : a part in a machine that operates by rising
2.
 a. : the upright member between two stair treads — compare open riser
 b. : an upright face (as of a platform or veranda) suggesting a stair riser
 c. : a topographic feature resembling a stair riser (as a steep slope between terraces of different altitude or between flat parts of a stepped glaciated valley floor)
3. : raise II 4
4.
 a. : feedhead
 b. : a channel or head in a foundry mold (as to permit escape of air)
5. : a block on which a printing plate (as a stereotype or electrotype) is mounted
6. : a device or structure used to increase elevation: as
 a. : one of two members placed below a seat to raise it
 b. : any of various movable platforms for stage use on which performers are placed for better visibility
  < portable risers adequate for a full orchestra >
7.
 a. : a vertical supply or return pipe for steam, water, or gas
 b. : a vertical wire connecting two floors in the electric wiring system of a building
8. : a raised or marked spot where the warp passes over the weft or over the filling in a weaving pattern — compare sinker 8
9. : one of four straps attaching a parachutist's harness to the parachute — see parachute illustration
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更新时间:2025/3/21 18:45:33