- lunomancy
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divination by interpreting shadows created by moonlight on a persons face dusted with silver. This is most often done on the full moon to have the highest moonlight intensity.
Wikipedia foundation.
Wikipedia foundation.
selenomancy — noun divination by the appearance and phases of the moon. Similar to lunomancy. SELENOMANCY: A specialized form of divination involving the various aspects, phases, and appearances of the moon … Wiktionary