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neap tide  (nēp)
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Tweet n. A tide that occurs when the difference between high and low tide is least. Neap tide comes twice a month, in the first and third quarters of the moon. [Middle Englishneep, fromOld Englishnēp(flōd), neap (tide).]  (click for a larger image) neap tideNeap tides occur when the sun, earth, and moon form a right angle and the gravitational pull of the sun counteracts the pull of the moon. |
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