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| e·qui·nox [ kwə nòks, ékwə nòks ] (plural e·qui·nox·es) |
noun |
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| Definition: |
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1. time of equal day and night: either of the two annual crossings of the equator by the Sun, once in each direction, when the length of day and night are approximately equal everywhere on Earth. The equinoxes occur around March 21 and September 23.
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2. astronomy
Same as equinoctial point
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| [14th century. Directly or via French< Latin aequinoctium "equal night" < nox "night"] |
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