gnomon
英['nəʊmɒn]
美['noʊmɒn]
Noun:
-
indicator provided by the stationary arm whose shadow indicates the time on the sundial
- 1. In all cases the gnomon lies in the plane of the meridian.
- 表始终都处于子午面内.
来自辞典例句
- 2. The gnomon - and - ruler indicates the time by the length of the shadow of stylus in the sun.
- 圭表是利用太阳射影的长短来判断时间的.
来自中国文学部分
用作名词 (n.)
- A stake used for this purpose was the earliest type of sundial and was called a gnomon.
这种特定的标杆就是最早的一种日晷仪，人们称之为日晷仪标杆。
