n.细；薄；稀薄
There is the least possible moisture in the atmosphere, all being dried up or congealed, and it is of such extreme tenuity and elasticity that it becomes a source of delight. 大气里面一点水分都没有，水蒸气不是干化，就是凝结成冰霜的了；空气十分稀薄而似有弹性，人呼吸其中，自觉心旷神怡。
Coexistence of the rational and elegant prose has brought on interflowing of the two style and therefore facilitated prosperity and tenuity in this field. 理性散文与通俗散文并存,形成了雅俗合流的创作格局,共同促成了当代散文创作的繁荣与苍白。
There is the least possible moisture in the atmosphere, all being dried up or 36)congealed, and it is of such extreme 37)tenuity and 38)elasticity that it becomes a source of delight. 大气里面一点水分都没有，水蒸气不是干化，就是凝结成冰霜的了；空气十分稀薄而似有弹性，人呼吸其中，自觉心旷神怡。
the tenuity of the upper atmosphere. 大气层的上部空气稀薄。
the tenuity of one's understanding 理解力很差
TECHNIQUE FOR TENUITY LIGHT SIGNAL DETECTION OF FIBER GRATING SENSING SYSTEM 光纤光栅传感网络中微弱光信号的检测
