[f. ECLIPSE v. + -ATION: in med.L. eclipsatia (Du Cange).] The action of eclipsing or state of being eclipsed. Also fig.

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1471.  Ripley, Comp. Alch., in Ashm. (1652), 187. Then forth into the North procede by obscuratyon; Of the Red Man and hys Whyte Wyfe callyd Eclypsation.

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1575.  G. Harvey, Letter-bk. (1884), 93. That … owtelandish word, Eclipsation of my absence.

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1584.  Almanack, She [the moon] wyll … continue in her totall Eclipsation one houre and .xx. minutes.

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