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sidereal day

n.
1.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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Word of the Day

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  • sidereal
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  • sidelong
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  • sideline
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  • sidelight
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  • sidekick
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  • sidecar
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  • sideburn
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  • sideboard
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  • sidebar
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  • sidearm
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  • sidereal hour
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  • sidereal month
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  • sidereal time
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  • sidereal year
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  • siderite
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  • sideritis
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  • sideroblast
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  • sideroblastic anaemia
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  • sideroblastic anemia
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  • siderochrestic anaemia
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  • leishmania
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  • busyness
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  • chapfallen
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  • loire river
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  • rhinoceros unicornis
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  • datura
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  • with validity
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  • groundmass
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  • citellus citellus
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  • gentleman's-cane
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    Idiom of the Day

    quick on the trigger
    to be quick to respond to something, to be quick to draw a gun and shoot
    The man was too quick on the trigger and should have thought more carefully about what he was going to do.



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