DICTIONARY ENTRY
4 SYLLABLES
sidereal day
/saɪ'diriəl_deɪ/ · saɪdiriəldeɪ
Sidereal day has 4 syllables: si · de · re · al day.
si
01
de
02
re
03
al day
04
noun. The time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day.
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