单词：gnomon
音标：['nәumɔn] ；
n. 指时针；日晷
n. indicator provided by the stationary arm whose shadow indicates the time on the sundial
词型变化：名词复数形式 : gnomons
词性分布：
gnomon的用法和样例：
例句
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。