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hour angle

n.
1.the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body
2.(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing

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    Idiom of the Day

    eat away at (someone)
    to bother someone, to worry someone
    Money problems have been eating away at the man recently.



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    They ________ the contract last week

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