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单词 sidereal
释义

WordReference Random House Learner's Dictionary of American English © 2024
si•de•re•al /saɪˈdɪriəl/USA pronunciation   adj. 
  1. Astronomydetermined by or from the stars;
    of or relating to the stars.

WordReference Random House Unabridged Dictionary of American English © 2024
si•de•re•al  (sī dēr′ē əl),USA pronunciation adj. [Astron.]
  1. Astronomydetermined by or from the stars:sidereal time.
  2. Astronomyof or pertaining to the stars.
  • Latin sīdere(us) of, belonging to the stars (sīder-, stem of sīdus star, constellation + -eus adjective, adjectival suffix) + -al1
  • 1625–35
si•de′re•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
sidereal /saɪˈdɪərɪəl/ adj
  1. of, relating to, or involving the stars
  2. determined with reference to one or more stars: the sidereal day
Etymology: 17th Century: from Latin sīdereus, from sīdus a star, a constellation

siˈdereally adv
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更新时间：2025/7/23 17:48:45