Webster's Revised Unabridged Dictionary · 1913

Lucule

Lucule , noun

[Dim. from Latin lux, lucis, light.]

(Astronomy) A spot or fleck on the sun brighter than the surrounding surface.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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