| 单词 | abutment |
| 释义 | abutment /euh but"meuhnt/, n. 1. Archit. , Civ. Eng. a. a masonry mass supporting and receiving the thrust of part of an arch or vault. b. a force that serves to abut an arch or vault. c. a mass, as of masonry, receiving the arch, beam, truss, etc., at each end of a bridge. d. a mass or structure for resisting the pressure of water on a bridge, pier, or the like. e. each of the parts of a canyon or the like receiving the thrusts of an arch dam. f. a structure for absorbing tensions from reinforcing strands for concrete being prestressed. 2. the place where projecting parts meet; junction. 3. Dentistry. a tooth or tooth root that supports or stabilizes a bridge, denture, or other prosthetic appliance. [1635-45; ABUT + -MENT] |
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