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heliometer

/ˌhiːlɪˈɒmɪtə/ /ˌhiːliˈɑːmətər/
  • n.
    太阳仪

网络短语

  • split-objective heliometer
    裂镜量日计;裂镜量日仪

同根词

adj.
heliocentric[天] 以太阳为中心的
heliacal太阳的;与太阳同时升落的;接近太阳的
n.
heliograph太阳摄影机;日光反射信号器;照相制版
heliopause日球层顶;太阳风层顶
heliosphere太阳风层;日光层;[地物] 日球层
vi.
heliograph用日光反射信号器发送信息

英英释义

  • n.an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope

词源

  • heliometer
    From helio- +‎ -meter, from Ancient Greek Ἥλιος ‎(Hḗlios), from ἥλιος ‎(hḗlios, “sun”), and French mètre, from Ancient Greek μέτρον ‎(métron, “measure”).