| 单词 | orthotropic | 
| 释义 | or·tho·trop·ic   (ôr′thə-trŏpĭk, -trōpĭk) adj. 1.  Growing toward or away from a stimulus such as gravity, especially along a vertical axis. Used of a plant or plant part. 2.  Of or relating to a bridge deck consisting of steel plates supported by ribs underneath. or′tho·tropi·cal·ly adv. or·thotro·pism (ôr-thŏtrə-pĭz′əm) n. | 
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