Wordiyosidereal
🇬🇧 UK/sai'diәriәl/🇺🇸 US
GREC2
Definitions
adj.
Of or relating to the stars; measured or determined by reference to the stars.
星的，恒星的；以恒星为基准测定的
🧩 Root Breakdown
Root-derivedsiderroot
+
econnector
+
alrelating to, having the nature of
=sidereal
Common Collocations
- 1.sidereal day恒星日
- 2.sidereal time恒星时
- 3.sidereal year恒星年
- 4.sidereal period恒星周期
Example Sentences
- 1.
The sidereal day is approximately four minutes shorter than the solar day.
- 2.
Ancient astronomers used sidereal time to track the positions of stars with great precision.
- 3.
The spacecraft's navigation system relied on sidereal measurements for deep-space orientation.