英语词汇“siderostat”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	siderostat
释义	Word Frequency siderostat (ˈsaɪdərəʊˌstæt) noun an astronomical instrument consisting essentially of a plane mirror driven about two axes so that light from a celestial body, esp the sun, is reflected along a constant direction for a long period of time See also heliostat , Compare coelostat Derived forms siderostatic (ˌsideroˈstatic) adjective Word origin C19: from sidero-, from Latin sidus a star + -stat, on the model of heliostat
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