COMPOUND WORDS
sidereal | {adj} | (of or relating to the stars) | sidereal | {adj} | (relating to a measurement of time relative to the position of the stars) | sidereal day | {n} | (day of sidereal time) | sidereal time | {n} | (time measured by apparent motion of vernal equinox) | sidereal year | {n} | (orbital period)
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PHRASES
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