sidereal year

noun

plural sidereal years

: the time in which the earth completes one revolution in its orbit around the sun measured with respect to the fixed stars : 365 days, 6 hours, 9 minutes, and 9.5 seconds of mean time

The light-year is defined as the distance light travels in 1 sidereal year …

—William D. Johnstone

Word History

First Known Use

1765, in the meaning defined above

Rhymes for sidereal year

• adhere
• ameer
• amir
• appear
• arrear
• astir
• austere
• career
• cashier
• cohere
• compere
• emir