heliograph
n. 日光反射信号器, 太阳摄影机, 日光仪 v. 用太阳摄影机拍摄, 用日光仪传递
发音
US
/ˈhiː.li.əˌɡɹæf/
词形变化
heliographs
复数
heliographs
heliographed
heliographing
heliographs
三单
heliographing
现在分词
heliographed
过去式
heliographed
过去分词
释义与例句
n.
-
1.
An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
-
2.
A heliogram.
-
3.
An instrument for measuring the intensity of sunlight.
-
4.
A device for photographing the sun.
-
5.
A photograph.
废旧
v.
-
1.
To send a message by heliograph.
及物 -
2.
To send a heliograph.
不及物 -
3.
To photograph by sunlight.
过时 及物
词汇关系
词源
From helio- + -graph.
来源:wiktionary