| 释义 |
ceil·om·e·ter
\sēˈläməd.ə(r), sə̇ˈ-\ noun
(-s)
Etymology: ceiling + -o- + -meter
: a photoelectric instrument for determining the height of the cloud ceiling above the earth by indicating the angular elevation of a spot of light formed where a strong modulated beam of light meets the cloud so that the height may be computed automatically by triangulation |