🔍 牛津詞典
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典 🎯

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:
BNC: 0 COCA: 33354
BNC: 0 COCA: 33354

sidereal

adjective

si·​de·​re·​al sī-ˈdir-ē-əl How to pronounce sidereal (audio)
sə-
: of, relating to, or expressed in relation to stars or constellations : astral

Example Sentences

Recent Examples on the Web Called sidereal time, the measurement calculates the length of a day by comparing the earth's rotation to the stars. Aaron Pressman, Fortune, 12 Apr. 2017 One tweet, in particular, has birthed a fair number of inky astronauts floating across a sidereal arm. Jesse Lichtenstein, New York Times, 15 June 2017 With this definition, a sidereal year is something like 365.256363 solar days. Rhett Allain, WIRED, 29 Feb. 2012

Word History

Etymology

Latin sidereus, from sider-, sidus star, constellation

First Known Use

1612, in the meaning defined above

Time Traveler
The first known use of sidereal was in 1612
BNC: 0 COCA: 33354

👨🏻‍🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文
Site Uptime