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. 1.

    An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.

  2. 2.

    A heliogram.

  3. 3.

    An instrument for measuring the intensity of sunlight.

  4. 4.

    A device for photographing the sun.

  5. 5.

    A photograph.

    废旧
v.
  1. 1.

    To send a message by heliograph.

    及物
  2. 2.

    To send a heliograph.

    不及物
  3. 3.

    To photograph by sunlight.

    过时 及物

词汇关系

词源

From helio- + -graph.

来源:wiktionary