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单词 spectrohelioscope
释义

spectrohelioscope

noun

spec·​tro·​he·​lio·​scope ˌspek-trō-ˈhē-lē-ə-ˌskōp How to pronounce spectrohelioscope (audio)
1
: spectroheliograph
2
: an instrument similar to a spectroheliograph used for visual as distinguished from photographic observations

Word History

Etymology

International Scientific Vocabulary

First Known Use

1906, in the meaning defined at sense 1

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更新时间:2024/9/21 21:49:44